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Finding the Fourth Proportional to 535,981.64, 740,000.76 and 332,249.24

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Solution

The fourth proportional to 535,981.64, 740,000.76 and 332,249.24 is: 458,718.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,981.64 : 740,000.76 = 332,249.24 : x
  2. Step 2: Convert to fraction form
    535,981.64/740,000.76 = 332,249.24/x
  3. Step 3: Cross multiply
    535,981.64x = 740,000.76 × 332,249.24
  4. Step 4: Simplify right side
    535,981.64x = 245,864,690,109.42
  5. Step 5: Solve for x
    x = 245,864,690,109.42/535,981.64
  6. Step 6: Final answer
    x = 458,718.49

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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.