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Finding the Fourth Proportional to 416,904.93, 623,862.54 and 360,937.53

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Solution

The fourth proportional to 416,904.93, 623,862.54 and 360,937.53 is: 540,112.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,904.93 : 623,862.54 = 360,937.53 : x
  2. Step 2: Convert to fraction form
    416,904.93/623,862.54 = 360,937.53/x
  3. Step 3: Cross multiply
    416,904.93x = 623,862.54 × 360,937.53
  4. Step 4: Simplify right side
    416,904.93x = 225,175,404,247.13
  5. Step 5: Solve for x
    x = 225,175,404,247.13/416,904.93
  6. Step 6: Final answer
    x = 540,112.12

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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.