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Finding the Fourth Proportional to 609,060.80, 910,999.20 and 546,334.40

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Solution

The fourth proportional to 609,060.80, 910,999.20 and 546,334.40 is: 817,176.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,060.80 : 910,999.20 = 546,334.40 : x
  2. Step 2: Convert to fraction form
    609,060.80/910,999.20 = 546,334.40/x
  3. Step 3: Cross multiply
    609,060.80x = 910,999.20 × 546,334.40
  4. Step 4: Simplify right side
    609,060.80x = 497,710,201,332.48
  5. Step 5: Solve for x
    x = 497,710,201,332.48/609,060.80
  6. Step 6: Final answer
    x = 817,176.55

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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.