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Finding the Fourth Proportional to 584,417.70, 876,626.55 and 519,463.80

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Solution

The fourth proportional to 584,417.70, 876,626.55 and 519,463.80 is: 779,195.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,417.70 : 876,626.55 = 519,463.80 : x
  2. Step 2: Convert to fraction form
    584,417.70/876,626.55 = 519,463.80/x
  3. Step 3: Cross multiply
    584,417.70x = 876,626.55 × 519,463.80
  4. Step 4: Simplify right side
    584,417.70x = 455,375,758,843.89
  5. Step 5: Solve for x
    x = 455,375,758,843.89/584,417.70
  6. Step 6: Final answer
    x = 779,195.70

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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.