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Finding the Fourth Proportional to 292,045.40, 437,965.70 and 151,757.40

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Solution

The fourth proportional to 292,045.40, 437,965.70 and 151,757.40 is: 227,582.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,045.40 : 437,965.70 = 151,757.40 : x
  2. Step 2: Convert to fraction form
    292,045.40/437,965.70 = 151,757.40/x
  3. Step 3: Cross multiply
    292,045.40x = 437,965.70 × 151,757.40
  4. Step 4: Simplify right side
    292,045.40x = 66,464,535,921.18
  5. Step 5: Solve for x
    x = 66,464,535,921.18/292,045.40
  6. Step 6: Final answer
    x = 227,582.89

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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.