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Finding the Fourth Proportional to 435,036.80, 652,792.96 and 168,807.76

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Solution

The fourth proportional to 435,036.80, 652,792.96 and 168,807.76 is: 253,303.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,036.80 : 652,792.96 = 168,807.76 : x
  2. Step 2: Convert to fraction form
    435,036.80/652,792.96 = 168,807.76/x
  3. Step 3: Cross multiply
    435,036.80x = 652,792.96 × 168,807.76
  4. Step 4: Simplify right side
    435,036.80x = 110,196,517,321.37
  5. Step 5: Solve for x
    x = 110,196,517,321.37/435,036.80
  6. Step 6: Final answer
    x = 253,303.90

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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.