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Finding the Fourth Proportional to 547,670.80, 822,024.60 and 337,718.80

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Solution

The fourth proportional to 547,670.80, 822,024.60 and 337,718.80 is: 506,897.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,670.80 : 822,024.60 = 337,718.80 : x
  2. Step 2: Convert to fraction form
    547,670.80/822,024.60 = 337,718.80/x
  3. Step 3: Cross multiply
    547,670.80x = 822,024.60 × 337,718.80
  4. Step 4: Simplify right side
    547,670.80x = 277,613,161,482.48
  5. Step 5: Solve for x
    x = 277,613,161,482.48/547,670.80
  6. Step 6: Final answer
    x = 506,897.87

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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.