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Finding the Fourth Proportional to 586,718.55, 811,152.34 and 433,515.11

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Solution

The fourth proportional to 586,718.55, 811,152.34 and 433,515.11 is: 599,344.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,718.55 : 811,152.34 = 433,515.11 : x
  2. Step 2: Convert to fraction form
    586,718.55/811,152.34 = 433,515.11/x
  3. Step 3: Cross multiply
    586,718.55x = 811,152.34 × 433,515.11
  4. Step 4: Simplify right side
    586,718.55x = 351,646,790,762.31
  5. Step 5: Solve for x
    x = 351,646,790,762.31/586,718.55
  6. Step 6: Final answer
    x = 599,344.93

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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.