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Finding the Fourth Proportional to 592,870.47, 889,307.80 and 143,591.64

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Solution

The fourth proportional to 592,870.47, 889,307.80 and 143,591.64 is: 215,387.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,870.47 : 889,307.80 = 143,591.64 : x
  2. Step 2: Convert to fraction form
    592,870.47/889,307.80 = 143,591.64/x
  3. Step 3: Cross multiply
    592,870.47x = 889,307.80 × 143,591.64
  4. Step 4: Simplify right side
    592,870.47x = 127,697,161,772.91
  5. Step 5: Solve for x
    x = 127,697,161,772.91/592,870.47
  6. Step 6: Final answer
    x = 215,387.96

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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.