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Finding the Fourth Proportional to 310,396.60, 465,358.88 and 160,541.47

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Solution

The fourth proportional to 310,396.60, 465,358.88 and 160,541.47 is: 240,690.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,396.60 : 465,358.88 = 160,541.47 : x
  2. Step 2: Convert to fraction form
    310,396.60/465,358.88 = 160,541.47/x
  3. Step 3: Cross multiply
    310,396.60x = 465,358.88 × 160,541.47
  4. Step 4: Simplify right side
    310,396.60x = 74,709,397,910.71
  5. Step 5: Solve for x
    x = 74,709,397,910.71/310,396.60
  6. Step 6: Final answer
    x = 240,690.13

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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.