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Finding the Fourth Proportional to 482,115.04, 722,460.48 and 455,156.08

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Solution

The fourth proportional to 482,115.04, 722,460.48 and 455,156.08 is: 682,061.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,115.04 : 722,460.48 = 455,156.08 : x
  2. Step 2: Convert to fraction form
    482,115.04/722,460.48 = 455,156.08/x
  3. Step 3: Cross multiply
    482,115.04x = 722,460.48 × 455,156.08
  4. Step 4: Simplify right side
    482,115.04x = 328,832,280,031.72
  5. Step 5: Solve for x
    x = 328,832,280,031.72/482,115.04
  6. Step 6: Final answer
    x = 682,061.86

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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.