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Finding the Fourth Proportional to 675,087.30, 1,012,630.95 and 600,437.70

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Solution

The fourth proportional to 675,087.30, 1,012,630.95 and 600,437.70 is: 900,656.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,087.30 : 1,012,630.95 = 600,437.70 : x
  2. Step 2: Convert to fraction form
    675,087.30/1,012,630.95 = 600,437.70/x
  3. Step 3: Cross multiply
    675,087.30x = 1,012,630.95 × 600,437.70
  4. Step 4: Simplify right side
    675,087.30x = 608,021,798,566.82
  5. Step 5: Solve for x
    x = 608,021,798,566.82/675,087.30
  6. Step 6: Final answer
    x = 900,656.55

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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.