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Finding the Fourth Proportional to 341,398.80, 512,681.40 and 183,934.80

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Solution

The fourth proportional to 341,398.80, 512,681.40 and 183,934.80 is: 276,216.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,398.80 : 512,681.40 = 183,934.80 : x
  2. Step 2: Convert to fraction form
    341,398.80/512,681.40 = 183,934.80/x
  3. Step 3: Cross multiply
    341,398.80x = 512,681.40 × 183,934.80
  4. Step 4: Simplify right side
    341,398.80x = 94,299,950,772.72
  5. Step 5: Solve for x
    x = 94,299,950,772.72/341,398.80
  6. Step 6: Final answer
    x = 276,216.41

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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.