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Finding the Fourth Proportional to 1,064,376, 1,468,840.80 and 587,448

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Solution

The fourth proportional to 1,064,376, 1,468,840.80 and 587,448 is: 810,679.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,376 : 1,468,840.80 = 587,448 : x
  2. Step 2: Convert to fraction form
    1,064,376/1,468,840.80 = 587,448/x
  3. Step 3: Cross multiply
    1,064,376x = 1,468,840.80 × 587,448
  4. Step 4: Simplify right side
    1,064,376x = 862,867,590,278.40
  5. Step 5: Solve for x
    x = 862,867,590,278.40/1,064,376
  6. Step 6: Final answer
    x = 810,679.30

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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.