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Finding the Fourth Proportional to 475,035.24, 712,535.58 and 142,602.60

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Solution

The fourth proportional to 475,035.24, 712,535.58 and 142,602.60 is: 213,898.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,035.24 : 712,535.58 = 142,602.60 : x
  2. Step 2: Convert to fraction form
    475,035.24/712,535.58 = 142,602.60/x
  3. Step 3: Cross multiply
    475,035.24x = 712,535.58 × 142,602.60
  4. Step 4: Simplify right side
    475,035.24x = 101,609,426,300.51
  5. Step 5: Solve for x
    x = 101,609,426,300.51/475,035.24
  6. Step 6: Final answer
    x = 213,898.71

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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.