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Finding the Fourth Proportional to 506,769.60, 760,154.40 and 132,830.40

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Solution

The fourth proportional to 506,769.60, 760,154.40 and 132,830.40 is: 199,245.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,769.60 : 760,154.40 = 132,830.40 : x
  2. Step 2: Convert to fraction form
    506,769.60/760,154.40 = 132,830.40/x
  3. Step 3: Cross multiply
    506,769.60x = 760,154.40 × 132,830.40
  4. Step 4: Simplify right side
    506,769.60x = 100,971,613,013.76
  5. Step 5: Solve for x
    x = 100,971,613,013.76/506,769.60
  6. Step 6: Final answer
    x = 199,245.60

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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.