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Finding the Fourth Proportional to 692,077.68, 954,470.52 and 450,271.92

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Solution

The fourth proportional to 692,077.68, 954,470.52 and 450,271.92 is: 620,987.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,077.68 : 954,470.52 = 450,271.92 : x
  2. Step 2: Convert to fraction form
    692,077.68/954,470.52 = 450,271.92/x
  3. Step 3: Cross multiply
    692,077.68x = 954,470.52 × 450,271.92
  4. Step 4: Simplify right side
    692,077.68x = 429,771,273,623.80
  5. Step 5: Solve for x
    x = 429,771,273,623.80/692,077.68
  6. Step 6: Final answer
    x = 620,987.05

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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.