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Finding the Fourth Proportional to 712,565.04, 983,355.67 and 406,635.33

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Solution

The fourth proportional to 712,565.04, 983,355.67 and 406,635.33 is: 561,165.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,565.04 : 983,355.67 = 406,635.33 : x
  2. Step 2: Convert to fraction form
    712,565.04/983,355.67 = 406,635.33/x
  3. Step 3: Cross multiply
    712,565.04x = 983,355.67 × 406,635.33
  4. Step 4: Simplify right side
    712,565.04x = 399,867,155,344.65
  5. Step 5: Solve for x
    x = 399,867,155,344.65/712,565.04
  6. Step 6: Final answer
    x = 561,165.83

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