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Finding the Fourth Proportional to 475,655.02, 656,371.56 and 260,750.68

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Solution

The fourth proportional to 475,655.02, 656,371.56 and 260,750.68 is: 359,818.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,655.02 : 656,371.56 = 260,750.68 : x
  2. Step 2: Convert to fraction form
    475,655.02/656,371.56 = 260,750.68/x
  3. Step 3: Cross multiply
    475,655.02x = 656,371.56 × 260,750.68
  4. Step 4: Simplify right side
    475,655.02x = 171,149,330,602.66
  5. Step 5: Solve for x
    x = 171,149,330,602.66/475,655.02
  6. Step 6: Final answer
    x = 359,818.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.