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Finding the Fourth Proportional to 452,720.95, 624,130.63 and 361,151.02

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Solution

The fourth proportional to 452,720.95, 624,130.63 and 361,151.02 is: 497,890.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,720.95 : 624,130.63 = 361,151.02 : x
  2. Step 2: Convert to fraction form
    452,720.95/624,130.63 = 361,151.02/x
  3. Step 3: Cross multiply
    452,720.95x = 624,130.63 × 361,151.02
  4. Step 4: Simplify right side
    452,720.95x = 225,405,413,637.74
  5. Step 5: Solve for x
    x = 225,405,413,637.74/452,720.95
  6. Step 6: Final answer
    x = 497,890.40

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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.