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Finding the Fourth Proportional to 338,275.90, 507,047.07 and 169,389.07

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Solution

The fourth proportional to 338,275.90, 507,047.07 and 169,389.07 is: 253,899.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,275.90 : 507,047.07 = 169,389.07 : x
  2. Step 2: Convert to fraction form
    338,275.90/507,047.07 = 169,389.07/x
  3. Step 3: Cross multiply
    338,275.90x = 507,047.07 × 169,389.07
  4. Step 4: Simplify right side
    338,275.90x = 85,888,231,633.52
  5. Step 5: Solve for x
    x = 85,888,231,633.52/338,275.90
  6. Step 6: Final answer
    x = 253,899.94

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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.