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Finding the Fourth Proportional to 475,462.74, 656,134.68 and 260,602.32

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Solution

The fourth proportional to 475,462.74, 656,134.68 and 260,602.32 is: 359,629.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,462.74 : 656,134.68 = 260,602.32 : x
  2. Step 2: Convert to fraction form
    475,462.74/656,134.68 = 260,602.32/x
  3. Step 3: Cross multiply
    475,462.74x = 656,134.68 × 260,602.32
  4. Step 4: Simplify right side
    475,462.74x = 170,990,219,840.46
  5. Step 5: Solve for x
    x = 170,990,219,840.46/475,462.74
  6. Step 6: Final answer
    x = 359,629.06

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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.