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Finding the Fourth Proportional to 492,366.52, 679,466.28 and 266,012.20

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Solution

The fourth proportional to 492,366.52, 679,466.28 and 266,012.20 is: 367,097.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,366.52 : 679,466.28 = 266,012.20 : x
  2. Step 2: Convert to fraction form
    492,366.52/679,466.28 = 266,012.20/x
  3. Step 3: Cross multiply
    492,366.52x = 679,466.28 × 266,012.20
  4. Step 4: Simplify right side
    492,366.52x = 180,746,319,968.62
  5. Step 5: Solve for x
    x = 180,746,319,968.62/492,366.52
  6. Step 6: Final answer
    x = 367,097.10

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1.5x scale

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.