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Finding the Fourth Proportional to 606,688.60, 910,032.90 and 185,909.80

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Solution

The fourth proportional to 606,688.60, 910,032.90 and 185,909.80 is: 278,864.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,688.60 : 910,032.90 = 185,909.80 : x
  2. Step 2: Convert to fraction form
    606,688.60/910,032.90 = 185,909.80/x
  3. Step 3: Cross multiply
    606,688.60x = 910,032.90 × 185,909.80
  4. Step 4: Simplify right side
    606,688.60x = 169,184,034,432.42
  5. Step 5: Solve for x
    x = 169,184,034,432.42/606,688.60
  6. Step 6: Final answer
    x = 278,864.70

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Similar ratio
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1.5x scale

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.