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Finding the Fourth Proportional to 292,532.01, 438,881.64 and 172,698.30

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Solution

The fourth proportional to 292,532.01, 438,881.64 and 172,698.30 is: 259,096.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,532.01 : 438,881.64 = 172,698.30 : x
  2. Step 2: Convert to fraction form
    292,532.01/438,881.64 = 172,698.30/x
  3. Step 3: Cross multiply
    292,532.01x = 438,881.64 × 172,698.30
  4. Step 4: Simplify right side
    292,532.01x = 75,794,113,129.21
  5. Step 5: Solve for x
    x = 75,794,113,129.21/292,532.01
  6. Step 6: Final answer
    x = 259,096.82

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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.