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Finding the Fourth Proportional to 440,665.60, 608,229.12 and 249,792.88

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Solution

The fourth proportional to 440,665.60, 608,229.12 and 249,792.88 is: 344,776.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,665.60 : 608,229.12 = 249,792.88 : x
  2. Step 2: Convert to fraction form
    440,665.60/608,229.12 = 249,792.88/x
  3. Step 3: Cross multiply
    440,665.60x = 608,229.12 × 249,792.88
  4. Step 4: Simplify right side
    440,665.60x = 151,931,303,584.67
  5. Step 5: Solve for x
    x = 151,931,303,584.67/440,665.60
  6. Step 6: Final answer
    x = 344,776.86

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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.