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Finding the Fourth Proportional to 707,196.34, 975,490.23 and 431,428.19

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Solution

The fourth proportional to 707,196.34, 975,490.23 and 431,428.19 is: 595,102.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,196.34 : 975,490.23 = 431,428.19 : x
  2. Step 2: Convert to fraction form
    707,196.34/975,490.23 = 431,428.19/x
  3. Step 3: Cross multiply
    707,196.34x = 975,490.23 × 431,428.19
  4. Step 4: Simplify right side
    707,196.34x = 420,853,984,291.58
  5. Step 5: Solve for x
    x = 420,853,984,291.58/707,196.34
  6. Step 6: Final answer
    x = 595,102.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.