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Finding the Fourth Proportional to 464,398.17, 696,597.99 and 127,443.43

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Solution

The fourth proportional to 464,398.17, 696,597.99 and 127,443.43 is: 191,165.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,398.17 : 696,597.99 = 127,443.43 : x
  2. Step 2: Convert to fraction form
    464,398.17/696,597.99 = 127,443.43/x
  3. Step 3: Cross multiply
    464,398.17x = 696,597.99 × 127,443.43
  4. Step 4: Simplify right side
    464,398.17x = 88,776,837,176.71
  5. Step 5: Solve for x
    x = 88,776,837,176.71/464,398.17
  6. Step 6: Final answer
    x = 191,165.35

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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.