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Finding the Fourth Proportional to 576,044.10, 864,066.15 and 520,056.90

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Solution

The fourth proportional to 576,044.10, 864,066.15 and 520,056.90 is: 780,085.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,044.10 : 864,066.15 = 520,056.90 : x
  2. Step 2: Convert to fraction form
    576,044.10/864,066.15 = 520,056.90/x
  3. Step 3: Cross multiply
    576,044.10x = 864,066.15 × 520,056.90
  4. Step 4: Simplify right side
    576,044.10x = 449,363,563,363.94
  5. Step 5: Solve for x
    x = 449,363,563,363.94/576,044.10
  6. Step 6: Final answer
    x = 780,085.35

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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.