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Finding the Fourth Proportional to 610,248.69, 842,192.88 and 338,401.80

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Solution

The fourth proportional to 610,248.69, 842,192.88 and 338,401.80 is: 467,022.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,248.69 : 842,192.88 = 338,401.80 : x
  2. Step 2: Convert to fraction form
    610,248.69/842,192.88 = 338,401.80/x
  3. Step 3: Cross multiply
    610,248.69x = 842,192.88 × 338,401.80
  4. Step 4: Simplify right side
    610,248.69x = 284,999,586,539.18
  5. Step 5: Solve for x
    x = 284,999,586,539.18/610,248.69
  6. Step 6: Final answer
    x = 467,022.04

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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.