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Finding the Fourth Proportional to 585,263.32, 807,728.96 and 330,630.92

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Solution

The fourth proportional to 585,263.32, 807,728.96 and 330,630.92 is: 456,307.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,263.32 : 807,728.96 = 330,630.92 : x
  2. Step 2: Convert to fraction form
    585,263.32/807,728.96 = 330,630.92/x
  3. Step 3: Cross multiply
    585,263.32x = 807,728.96 × 330,630.92
  4. Step 4: Simplify right side
    585,263.32x = 267,060,169,155.44
  5. Step 5: Solve for x
    x = 267,060,169,155.44/585,263.32
  6. Step 6: Final answer
    x = 456,307.72

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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.