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Finding the Fourth Proportional to 342,681.20, 511,569.16 and 297,853.20

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Solution

The fourth proportional to 342,681.20, 511,569.16 and 297,853.20 is: 444,648.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,681.20 : 511,569.16 = 297,853.20 : x
  2. Step 2: Convert to fraction form
    342,681.20/511,569.16 = 297,853.20/x
  3. Step 3: Cross multiply
    342,681.20x = 511,569.16 × 297,853.20
  4. Step 4: Simplify right side
    342,681.20x = 152,372,511,327.31
  5. Step 5: Solve for x
    x = 152,372,511,327.31/342,681.20
  6. Step 6: Final answer
    x = 444,648.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.