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Finding the Fourth Proportional to 555,946.92, 767,209.41 and 301,298.04

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Solution

The fourth proportional to 555,946.92, 767,209.41 and 301,298.04 is: 415,792.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,946.92 : 767,209.41 = 301,298.04 : x
  2. Step 2: Convert to fraction form
    555,946.92/767,209.41 = 301,298.04/x
  3. Step 3: Cross multiply
    555,946.92x = 767,209.41 × 301,298.04
  4. Step 4: Simplify right side
    555,946.92x = 231,158,691,502.56
  5. Step 5: Solve for x
    x = 231,158,691,502.56/555,946.92
  6. Step 6: Final answer
    x = 415,792.74

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Double scale
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Similar ratio
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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.