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Finding the Fourth Proportional to 552,191.40, 828,287.10 and 525,947.40

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Solution

The fourth proportional to 552,191.40, 828,287.10 and 525,947.40 is: 788,921.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,191.40 : 828,287.10 = 525,947.40 : x
  2. Step 2: Convert to fraction form
    552,191.40/828,287.10 = 525,947.40/x
  3. Step 3: Cross multiply
    552,191.40x = 828,287.10 × 525,947.40
  4. Step 4: Simplify right side
    552,191.40x = 435,635,446,698.54
  5. Step 5: Solve for x
    x = 435,635,446,698.54/552,191.40
  6. Step 6: Final answer
    x = 788,921.10

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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.