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Finding the Fourth Proportional to 464,398.67, 696,598.74 and 127,443.93

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Solution

The fourth proportional to 464,398.67, 696,598.74 and 127,443.93 is: 191,166.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,398.67 : 696,598.74 = 127,443.93 : x
  2. Step 2: Convert to fraction form
    464,398.67/696,598.74 = 127,443.93/x
  3. Step 3: Cross multiply
    464,398.67x = 696,598.74 × 127,443.93
  4. Step 4: Simplify right side
    464,398.67x = 88,777,281,058.65
  5. Step 5: Solve for x
    x = 88,777,281,058.65/464,398.67
  6. Step 6: Final answer
    x = 191,166.10

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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.