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Finding the Fourth Proportional to 475,364.99, 656,008.86 and 260,500.47

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Solution

The fourth proportional to 475,364.99, 656,008.86 and 260,500.47 is: 359,493.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,364.99 : 656,008.86 = 260,500.47 : x
  2. Step 2: Convert to fraction form
    475,364.99/656,008.86 = 260,500.47/x
  3. Step 3: Cross multiply
    475,364.99x = 656,008.86 × 260,500.47
  4. Step 4: Simplify right side
    475,364.99x = 170,890,616,354.16
  5. Step 5: Solve for x
    x = 170,890,616,354.16/475,364.99
  6. Step 6: Final answer
    x = 359,493.49

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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.