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Finding the Fourth Proportional to 369,011.98, 509,042.55 and 232,996.78

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Solution

The fourth proportional to 369,011.98, 509,042.55 and 232,996.78 is: 321,413.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,011.98 : 509,042.55 = 232,996.78 : x
  2. Step 2: Convert to fraction form
    369,011.98/509,042.55 = 232,996.78/x
  3. Step 3: Cross multiply
    369,011.98x = 509,042.55 × 232,996.78
  4. Step 4: Simplify right side
    369,011.98x = 118,605,275,032.99
  5. Step 5: Solve for x
    x = 118,605,275,032.99/369,011.98
  6. Step 6: Final answer
    x = 321,413.07

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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.