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Finding the Fourth Proportional to 585,084.76, 807,432.90 and 330,473.80

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Solution

The fourth proportional to 585,084.76, 807,432.90 and 330,473.80 is: 456,062.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,084.76 : 807,432.90 = 330,473.80 : x
  2. Step 2: Convert to fraction form
    585,084.76/807,432.90 = 330,473.80/x
  3. Step 3: Cross multiply
    585,084.76x = 807,432.90 × 330,473.80
  4. Step 4: Simplify right side
    585,084.76x = 266,835,418,708.02
  5. Step 5: Solve for x
    x = 266,835,418,708.02/585,084.76
  6. Step 6: Final answer
    x = 456,062.84

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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.