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Finding the Fourth Proportional to 827,248.30, 1,240,908.90 and 467,413.90

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Solution

The fourth proportional to 827,248.30, 1,240,908.90 and 467,413.90 is: 701,141.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,248.30 : 1,240,908.90 = 467,413.90 : x
  2. Step 2: Convert to fraction form
    827,248.30/1,240,908.90 = 467,413.90/x
  3. Step 3: Cross multiply
    827,248.30x = 1,240,908.90 × 467,413.90
  4. Step 4: Simplify right side
    827,248.30x = 580,018,068,493.71
  5. Step 5: Solve for x
    x = 580,018,068,493.71/827,248.30
  6. Step 6: Final answer
    x = 701,141.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.