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Finding the Fourth Proportional to 338,725.98, 508,024.13 and 170,199.63

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Solution

The fourth proportional to 338,725.98, 508,024.13 and 170,199.63 is: 255,266.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,725.98 : 508,024.13 = 170,199.63 : x
  2. Step 2: Convert to fraction form
    338,725.98/508,024.13 = 170,199.63/x
  3. Step 3: Cross multiply
    338,725.98x = 508,024.13 × 170,199.63
  4. Step 4: Simplify right side
    338,725.98x = 86,465,518,106.07
  5. Step 5: Solve for x
    x = 86,465,518,106.07/338,725.98
  6. Step 6: Final answer
    x = 255,266.86

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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.