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Finding the Fourth Proportional to 557,521.20, 832,068.59 and 503,712.90

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Solution

The fourth proportional to 557,521.20, 832,068.59 and 503,712.90 is: 751,762.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,521.20 : 832,068.59 = 503,712.90 : x
  2. Step 2: Convert to fraction form
    557,521.20/832,068.59 = 503,712.90/x
  3. Step 3: Cross multiply
    557,521.20x = 832,068.59 × 503,712.90
  4. Step 4: Simplify right side
    557,521.20x = 419,123,679,949.25
  5. Step 5: Solve for x
    x = 419,123,679,949.25/557,521.20
  6. Step 6: Final answer
    x = 751,762.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.