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Finding the Fourth Proportional to 526,987.17, 790,606.71 and 172,001.84

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Solution

The fourth proportional to 526,987.17, 790,606.71 and 172,001.84 is: 258,043.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,987.17 : 790,606.71 = 172,001.84 : x
  2. Step 2: Convert to fraction form
    526,987.17/790,606.71 = 172,001.84/x
  3. Step 3: Cross multiply
    526,987.17x = 790,606.71 × 172,001.84
  4. Step 4: Simplify right side
    526,987.17x = 135,985,804,883.31
  5. Step 5: Solve for x
    x = 135,985,804,883.31/526,987.17
  6. Step 6: Final answer
    x = 258,043.86

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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.