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Finding the Fourth Proportional to 511,587.52, 767,451.36 and 174,537.76

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Solution

The fourth proportional to 511,587.52, 767,451.36 and 174,537.76 is: 261,830.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,587.52 : 767,451.36 = 174,537.76 : x
  2. Step 2: Convert to fraction form
    511,587.52/767,451.36 = 174,537.76/x
  3. Step 3: Cross multiply
    511,587.52x = 767,451.36 × 174,537.76
  4. Step 4: Simplify right side
    511,587.52x = 133,949,241,283.35
  5. Step 5: Solve for x
    x = 133,949,241,283.35/511,587.52
  6. Step 6: Final answer
    x = 261,830.55

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1.5x scale

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.