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Finding the Fourth Proportional to 677,194.48, 934,538.96 and 371,298.80

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Solution

The fourth proportional to 677,194.48, 934,538.96 and 371,298.80 is: 512,398.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,194.48 : 934,538.96 = 371,298.80 : x
  2. Step 2: Convert to fraction form
    677,194.48/934,538.96 = 371,298.80/x
  3. Step 3: Cross multiply
    677,194.48x = 934,538.96 × 371,298.80
  4. Step 4: Simplify right side
    677,194.48x = 346,993,194,401.25
  5. Step 5: Solve for x
    x = 346,993,194,401.25/677,194.48
  6. Step 6: Final answer
    x = 512,398.14

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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.