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Finding the Fourth Proportional to 585,425.04, 807,923.88 and 359,039.76

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Solution

The fourth proportional to 585,425.04, 807,923.88 and 359,039.76 is: 495,497.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,425.04 : 807,923.88 = 359,039.76 : x
  2. Step 2: Convert to fraction form
    585,425.04/807,923.88 = 359,039.76/x
  3. Step 3: Cross multiply
    585,425.04x = 807,923.88 × 359,039.76
  4. Step 4: Simplify right side
    585,425.04x = 290,076,795,973.47
  5. Step 5: Solve for x
    x = 290,076,795,973.47/585,425.04
  6. Step 6: Final answer
    x = 495,497.76

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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.