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Finding the Fourth Proportional to 424,904.22, 586,344.96 and 243,607.32

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Solution

The fourth proportional to 424,904.22, 586,344.96 and 243,607.32 is: 336,164.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,904.22 : 586,344.96 = 243,607.32 : x
  2. Step 2: Convert to fraction form
    424,904.22/586,344.96 = 243,607.32/x
  3. Step 3: Cross multiply
    424,904.22x = 586,344.96 × 243,607.32
  4. Step 4: Simplify right side
    424,904.22x = 142,837,924,301.11
  5. Step 5: Solve for x
    x = 142,837,924,301.11/424,904.22
  6. Step 6: Final answer
    x = 336,164.99

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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.