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Finding the Fourth Proportional to 625,230.36, 862,185.60 and 556,101.54

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Solution

The fourth proportional to 625,230.36, 862,185.60 and 556,101.54 is: 766,857.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,230.36 : 862,185.60 = 556,101.54 : x
  2. Step 2: Convert to fraction form
    625,230.36/862,185.60 = 556,101.54/x
  3. Step 3: Cross multiply
    625,230.36x = 862,185.60 × 556,101.54
  4. Step 4: Simplify right side
    625,230.36x = 479,462,739,925.82
  5. Step 5: Solve for x
    x = 479,462,739,925.82/625,230.36
  6. Step 6: Final answer
    x = 766,857.74

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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.