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Finding the Fourth Proportional to 541,509.77, 812,001.51 and 271,521.92

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Solution

The fourth proportional to 541,509.77, 812,001.51 and 271,521.92 is: 407,150.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,509.77 : 812,001.51 = 271,521.92 : x
  2. Step 2: Convert to fraction form
    541,509.77/812,001.51 = 271,521.92/x
  3. Step 3: Cross multiply
    541,509.77x = 812,001.51 × 271,521.92
  4. Step 4: Simplify right side
    541,509.77x = 220,476,211,068.10
  5. Step 5: Solve for x
    x = 220,476,211,068.10/541,509.77
  6. Step 6: Final answer
    x = 407,150.94

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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.