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Finding the Fourth Proportional to 553,560.60, 827,307.62 and 404,115.60

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Solution

The fourth proportional to 553,560.60, 827,307.62 and 404,115.60 is: 603,959.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,560.60 : 827,307.62 = 404,115.60 : x
  2. Step 2: Convert to fraction form
    553,560.60/827,307.62 = 404,115.60/x
  3. Step 3: Cross multiply
    553,560.60x = 827,307.62 × 404,115.60
  4. Step 4: Simplify right side
    553,560.60x = 334,327,916,251.16
  5. Step 5: Solve for x
    x = 334,327,916,251.16/553,560.60
  6. Step 6: Final answer
    x = 603,959.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.