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Finding the Fourth Proportional to 604,920.60, 907,380.90 and 578,348.55

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Solution

The fourth proportional to 604,920.60, 907,380.90 and 578,348.55 is: 867,522.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,920.60 : 907,380.90 = 578,348.55 : x
  2. Step 2: Convert to fraction form
    604,920.60/907,380.90 = 578,348.55/x
  3. Step 3: Cross multiply
    604,920.60x = 907,380.90 × 578,348.55
  4. Step 4: Simplify right side
    604,920.60x = 524,782,427,812.70
  5. Step 5: Solve for x
    x = 524,782,427,812.70/604,920.60
  6. Step 6: Final answer
    x = 867,522.83

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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.