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Finding the Fourth Proportional to 456,877.86, 630,557.42 and 263,248.48

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Solution

The fourth proportional to 456,877.86, 630,557.42 and 263,248.48 is: 363,320.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,877.86 : 630,557.42 = 263,248.48 : x
  2. Step 2: Convert to fraction form
    456,877.86/630,557.42 = 263,248.48/x
  3. Step 3: Cross multiply
    456,877.86x = 630,557.42 × 263,248.48
  4. Step 4: Simplify right side
    456,877.86x = 165,993,282,367.72
  5. Step 5: Solve for x
    x = 165,993,282,367.72/456,877.86
  6. Step 6: Final answer
    x = 363,320.92

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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.