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Finding the Fourth Proportional to 1,003,905.06, 1,385,332.38 and 584,928.14

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Solution

The fourth proportional to 1,003,905.06, 1,385,332.38 and 584,928.14 is: 807,167.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,905.06 : 1,385,332.38 = 584,928.14 : x
  2. Step 2: Convert to fraction form
    1,003,905.06/1,385,332.38 = 584,928.14/x
  3. Step 3: Cross multiply
    1,003,905.06x = 1,385,332.38 × 584,928.14
  4. Step 4: Simplify right side
    1,003,905.06x = 810,319,892,315.17
  5. Step 5: Solve for x
    x = 810,319,892,315.17/1,003,905.06
  6. Step 6: Final answer
    x = 807,167.85

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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.