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Finding the Fourth Proportional to 475,612.97, 656,345.73 and 260,748.42

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Solution

The fourth proportional to 475,612.97, 656,345.73 and 260,748.42 is: 359,832.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,612.97 : 656,345.73 = 260,748.42 : x
  2. Step 2: Convert to fraction form
    475,612.97/656,345.73 = 260,748.42/x
  3. Step 3: Cross multiply
    475,612.97x = 656,345.73 × 260,748.42
  4. Step 4: Simplify right side
    475,612.97x = 171,141,110,587.76
  5. Step 5: Solve for x
    x = 171,141,110,587.76/475,612.97
  6. Step 6: Final answer
    x = 359,832.73

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1.5x scale

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.