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Finding the Fourth Proportional to 435,090.60, 652,700.70 and 154,585.80

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Solution

The fourth proportional to 435,090.60, 652,700.70 and 154,585.80 is: 231,901.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,090.60 : 652,700.70 = 154,585.80 : x
  2. Step 2: Convert to fraction form
    435,090.60/652,700.70 = 154,585.80/x
  3. Step 3: Cross multiply
    435,090.60x = 652,700.70 × 154,585.80
  4. Step 4: Simplify right side
    435,090.60x = 100,898,259,870.06
  5. Step 5: Solve for x
    x = 100,898,259,870.06/435,090.60
  6. Step 6: Final answer
    x = 231,901.72

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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.