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Finding the Fourth Proportional to 450,442.32, 621,610.36 and 246,493.28

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Solution

The fourth proportional to 450,442.32, 621,610.36 and 246,493.28 is: 340,160.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,442.32 : 621,610.36 = 246,493.28 : x
  2. Step 2: Convert to fraction form
    450,442.32/621,610.36 = 246,493.28/x
  3. Step 3: Cross multiply
    450,442.32x = 621,610.36 × 246,493.28
  4. Step 4: Simplify right side
    450,442.32x = 153,222,776,518.38
  5. Step 5: Solve for x
    x = 153,222,776,518.38/450,442.32
  6. Step 6: Final answer
    x = 340,160.70

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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.