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Finding the Fourth Proportional to 877,503, 1,315,987.14 and 456,549.24

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Solution

The fourth proportional to 877,503, 1,315,987.14 and 456,549.24 is: 684,684.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,503 : 1,315,987.14 = 456,549.24 : x
  2. Step 2: Convert to fraction form
    877,503/1,315,987.14 = 456,549.24/x
  3. Step 3: Cross multiply
    877,503x = 1,315,987.14 × 456,549.24
  4. Step 4: Simplify right side
    877,503x = 600,812,928,616.77
  5. Step 5: Solve for x
    x = 600,812,928,616.77/877,503
  6. Step 6: Final answer
    x = 684,684.76

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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.