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Finding the Fourth Proportional to 584,980.17, 877,359.27 and 285,159.21

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Solution

The fourth proportional to 584,980.17, 877,359.27 and 285,159.21 is: 427,684.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,980.17 : 877,359.27 = 285,159.21 : x
  2. Step 2: Convert to fraction form
    584,980.17/877,359.27 = 285,159.21/x
  3. Step 3: Cross multiply
    584,980.17x = 877,359.27 × 285,159.21
  4. Step 4: Simplify right side
    584,980.17x = 250,187,076,319.38
  5. Step 5: Solve for x
    x = 250,187,076,319.38/584,980.17
  6. Step 6: Final answer
    x = 427,684.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.