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Finding the Fourth Proportional to 567,582.88, 782,616.72 and 424,101.28

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Solution

The fourth proportional to 567,582.88, 782,616.72 and 424,101.28 is: 584,775.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,582.88 : 782,616.72 = 424,101.28 : x
  2. Step 2: Convert to fraction form
    567,582.88/782,616.72 = 424,101.28/x
  3. Step 3: Cross multiply
    567,582.88x = 782,616.72 × 424,101.28
  4. Step 4: Simplify right side
    567,582.88x = 331,908,752,701.40
  5. Step 5: Solve for x
    x = 331,908,752,701.40/567,582.88
  6. Step 6: Final answer
    x = 584,775.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.