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Finding the Fourth Proportional to 510,521.93, 765,874.10 and 173,544.88

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Solution

The fourth proportional to 510,521.93, 765,874.10 and 173,544.88 is: 260,348.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,521.93 : 765,874.10 = 173,544.88 : x
  2. Step 2: Convert to fraction form
    510,521.93/765,874.10 = 173,544.88/x
  3. Step 3: Cross multiply
    510,521.93x = 765,874.10 × 173,544.88
  4. Step 4: Simplify right side
    510,521.93x = 132,913,528,779.61
  5. Step 5: Solve for x
    x = 132,913,528,779.61/510,521.93
  6. Step 6: Final answer
    x = 260,348.32

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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.