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Finding the Fourth Proportional to 371,818.33, 512,920.42 and 242,832.30

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Solution

The fourth proportional to 371,818.33, 512,920.42 and 242,832.30 is: 334,985.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,818.33 : 512,920.42 = 242,832.30 : x
  2. Step 2: Convert to fraction form
    371,818.33/512,920.42 = 242,832.30/x
  3. Step 3: Cross multiply
    371,818.33x = 512,920.42 × 242,832.30
  4. Step 4: Simplify right side
    371,818.33x = 124,553,642,775.03
  5. Step 5: Solve for x
    x = 124,553,642,775.03/371,818.33
  6. Step 6: Final answer
    x = 334,985.22

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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.