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Finding the Fourth Proportional to 469,570.20, 658,331.40 and 469,570.20

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Solution

The fourth proportional to 469,570.20, 658,331.40 and 469,570.20 is: 658,331.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,570.20 : 658,331.40 = 469,570.20 : x
  2. Step 2: Convert to fraction form
    469,570.20/658,331.40 = 469,570.20/x
  3. Step 3: Cross multiply
    469,570.20x = 658,331.40 × 469,570.20
  4. Step 4: Simplify right side
    469,570.20x = 309,132,807,164.28
  5. Step 5: Solve for x
    x = 309,132,807,164.28/469,570.20
  6. Step 6: Final answer
    x = 658,331.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.