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Finding the Fourth Proportional to 540,972.80, 811,459.20 and 241,452.80

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Solution

The fourth proportional to 540,972.80, 811,459.20 and 241,452.80 is: 362,179.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,972.80 : 811,459.20 = 241,452.80 : x
  2. Step 2: Convert to fraction form
    540,972.80/811,459.20 = 241,452.80/x
  3. Step 3: Cross multiply
    540,972.80x = 811,459.20 × 241,452.80
  4. Step 4: Simplify right side
    540,972.80x = 195,929,095,925.76
  5. Step 5: Solve for x
    x = 195,929,095,925.76/540,972.80
  6. Step 6: Final answer
    x = 362,179.20

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.