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Finding the Fourth Proportional to 620,565.30, 931,066.65 and 598,695.30

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Solution

The fourth proportional to 620,565.30, 931,066.65 and 598,695.30 is: 898,253.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,565.30 : 931,066.65 = 598,695.30 : x
  2. Step 2: Convert to fraction form
    620,565.30/931,066.65 = 598,695.30/x
  3. Step 3: Cross multiply
    620,565.30x = 931,066.65 × 598,695.30
  4. Step 4: Simplify right side
    620,565.30x = 557,425,227,341.75
  5. Step 5: Solve for x
    x = 557,425,227,341.75/620,565.30
  6. Step 6: Final answer
    x = 898,253.94

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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.