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Finding the Fourth Proportional to 584,943.40, 876,102.90 and 479,967.40

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Solution

The fourth proportional to 584,943.40, 876,102.90 and 479,967.40 is: 718,874.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,943.40 : 876,102.90 = 479,967.40 : x
  2. Step 2: Convert to fraction form
    584,943.40/876,102.90 = 479,967.40/x
  3. Step 3: Cross multiply
    584,943.40x = 876,102.90 × 479,967.40
  4. Step 4: Simplify right side
    584,943.40x = 420,500,831,045.46
  5. Step 5: Solve for x
    x = 420,500,831,045.46/584,943.40
  6. Step 6: Final answer
    x = 718,874.39

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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.