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Finding the Fourth Proportional to 585,581.67, 808,013.34 and 330,839.91

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Solution

The fourth proportional to 585,581.67, 808,013.34 and 330,839.91 is: 456,508.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,581.67 : 808,013.34 = 330,839.91 : x
  2. Step 2: Convert to fraction form
    585,581.67/808,013.34 = 330,839.91/x
  3. Step 3: Cross multiply
    585,581.67x = 808,013.34 × 330,839.91
  4. Step 4: Simplify right side
    585,581.67x = 267,323,060,684.40
  5. Step 5: Solve for x
    x = 267,323,060,684.40/585,581.67
  6. Step 6: Final answer
    x = 456,508.59

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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.