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Finding the Fourth Proportional to 435,530.40, 653,353.92 and 155,050.08

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Solution

The fourth proportional to 435,530.40, 653,353.92 and 155,050.08 is: 232,595.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,530.40 : 653,353.92 = 155,050.08 : x
  2. Step 2: Convert to fraction form
    435,530.40/653,353.92 = 155,050.08/x
  3. Step 3: Cross multiply
    435,530.40x = 653,353.92 × 155,050.08
  4. Step 4: Simplify right side
    435,530.40x = 101,302,577,564.31
  5. Step 5: Solve for x
    x = 101,302,577,564.31/435,530.40
  6. Step 6: Final answer
    x = 232,595.88

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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.