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Finding the Fourth Proportional to 622,809.60, 934,214.40 and 617,560.80

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Solution

The fourth proportional to 622,809.60, 934,214.40 and 617,560.80 is: 926,341.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,809.60 : 934,214.40 = 617,560.80 : x
  2. Step 2: Convert to fraction form
    622,809.60/934,214.40 = 617,560.80/x
  3. Step 3: Cross multiply
    622,809.60x = 934,214.40 × 617,560.80
  4. Step 4: Simplify right side
    622,809.60x = 576,934,192,235.52
  5. Step 5: Solve for x
    x = 576,934,192,235.52/622,809.60
  6. Step 6: Final answer
    x = 926,341.20

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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.