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Finding the Fourth Proportional to 572,014.99, 857,686.02 and 217,053.97

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Solution

The fourth proportional to 572,014.99, 857,686.02 and 217,053.97 is: 325,453.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,014.99 : 857,686.02 = 217,053.97 : x
  2. Step 2: Convert to fraction form
    572,014.99/857,686.02 = 217,053.97/x
  3. Step 3: Cross multiply
    572,014.99x = 857,686.02 × 217,053.97
  4. Step 4: Simplify right side
    572,014.99x = 186,164,155,654.50
  5. Step 5: Solve for x
    x = 186,164,155,654.50/572,014.99
  6. Step 6: Final answer
    x = 325,453.28

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.