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Finding the Fourth Proportional to 610,456.06, 842,472.48 and 338,549.95

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Solution

The fourth proportional to 610,456.06, 842,472.48 and 338,549.95 is: 467,222.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,456.06 : 842,472.48 = 338,549.95 : x
  2. Step 2: Convert to fraction form
    610,456.06/842,472.48 = 338,549.95/x
  3. Step 3: Cross multiply
    610,456.06x = 842,472.48 × 338,549.95
  4. Step 4: Simplify right side
    610,456.06x = 285,219,015,980.38
  5. Step 5: Solve for x
    x = 285,219,015,980.38/610,456.06
  6. Step 6: Final answer
    x = 467,222.84

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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.