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Finding the Fourth Proportional to 374,575.74, 517,055.08 and 245,522.52

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Solution

The fourth proportional to 374,575.74, 517,055.08 and 245,522.52 is: 338,913.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,575.74 : 517,055.08 = 245,522.52 : x
  2. Step 2: Convert to fraction form
    374,575.74/517,055.08 = 245,522.52/x
  3. Step 3: Cross multiply
    374,575.74x = 517,055.08 × 245,522.52
  4. Step 4: Simplify right side
    374,575.74x = 126,948,666,220.40
  5. Step 5: Solve for x
    x = 126,948,666,220.40/374,575.74
  6. Step 6: Final answer
    x = 338,913.21

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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.