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Finding the Fourth Proportional to 585,503.47, 807,984.27 and 330,849.19

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Solution

The fourth proportional to 585,503.47, 807,984.27 and 330,849.19 is: 456,565.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,503.47 : 807,984.27 = 330,849.19 : x
  2. Step 2: Convert to fraction form
    585,503.47/807,984.27 = 330,849.19/x
  3. Step 3: Cross multiply
    585,503.47x = 807,984.27 × 330,849.19
  4. Step 4: Simplify right side
    585,503.47x = 267,320,941,262.24
  5. Step 5: Solve for x
    x = 267,320,941,262.24/585,503.47
  6. Step 6: Final answer
    x = 456,565.94

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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.