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Finding the Fourth Proportional to 460,023.70, 634,851.34 and 256,061.68

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Solution

The fourth proportional to 460,023.70, 634,851.34 and 256,061.68 is: 353,375.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,023.70 : 634,851.34 = 256,061.68 : x
  2. Step 2: Convert to fraction form
    460,023.70/634,851.34 = 256,061.68/x
  3. Step 3: Cross multiply
    460,023.70x = 634,851.34 × 256,061.68
  4. Step 4: Simplify right side
    460,023.70x = 162,561,100,670.65
  5. Step 5: Solve for x
    x = 162,561,100,670.65/460,023.70
  6. Step 6: Final answer
    x = 353,375.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.