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Finding the Fourth Proportional to 610,248.42, 915,372.66 and 236,271.42

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Solution

The fourth proportional to 610,248.42, 915,372.66 and 236,271.42 is: 354,407.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,248.42 : 915,372.66 = 236,271.42 : x
  2. Step 2: Convert to fraction form
    610,248.42/915,372.66 = 236,271.42/x
  3. Step 3: Cross multiply
    610,248.42x = 915,372.66 × 236,271.42
  4. Step 4: Simplify right side
    610,248.42x = 216,276,398,207.38
  5. Step 5: Solve for x
    x = 216,276,398,207.38/610,248.42
  6. Step 6: Final answer
    x = 354,407.14

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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.