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Finding the Fourth Proportional to 440,577.60, 660,866.40 and 410,834.40

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Solution

The fourth proportional to 440,577.60, 660,866.40 and 410,834.40 is: 616,251.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,577.60 : 660,866.40 = 410,834.40 : x
  2. Step 2: Convert to fraction form
    440,577.60/660,866.40 = 410,834.40/x
  3. Step 3: Cross multiply
    440,577.60x = 660,866.40 × 410,834.40
  4. Step 4: Simplify right side
    440,577.60x = 271,506,650,924.16
  5. Step 5: Solve for x
    x = 271,506,650,924.16/440,577.60
  6. Step 6: Final answer
    x = 616,251.60

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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.