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Finding the Fourth Proportional to 435,988.38, 654,148.65 and 151,710.54

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Solution

The fourth proportional to 435,988.38, 654,148.65 and 151,710.54 is: 227,623.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,988.38 : 654,148.65 = 151,710.54 : x
  2. Step 2: Convert to fraction form
    435,988.38/654,148.65 = 151,710.54/x
  3. Step 3: Cross multiply
    435,988.38x = 654,148.65 × 151,710.54
  4. Step 4: Simplify right side
    435,988.38x = 99,241,244,931.77
  5. Step 5: Solve for x
    x = 99,241,244,931.77/435,988.38
  6. Step 6: Final answer
    x = 227,623.60

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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.