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Finding the Fourth Proportional to 1,008,530.06, 1,391,978.02 and 600,870.72

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Solution

The fourth proportional to 1,008,530.06, 1,391,978.02 and 600,870.72 is: 829,324.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,530.06 : 1,391,978.02 = 600,870.72 : x
  2. Step 2: Convert to fraction form
    1,008,530.06/1,391,978.02 = 600,870.72/x
  3. Step 3: Cross multiply
    1,008,530.06x = 1,391,978.02 × 600,870.72
  4. Step 4: Simplify right side
    1,008,530.06x = 836,398,835,101.57
  5. Step 5: Solve for x
    x = 836,398,835,101.57/1,008,530.06
  6. Step 6: Final answer
    x = 829,324.65

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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.