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Finding the Fourth Proportional to 536,414.28, 740,264.74 and 294,712.50

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Solution

The fourth proportional to 536,414.28, 740,264.74 and 294,712.50 is: 406,710.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,414.28 : 740,264.74 = 294,712.50 : x
  2. Step 2: Convert to fraction form
    536,414.28/740,264.74 = 294,712.50/x
  3. Step 3: Cross multiply
    536,414.28x = 740,264.74 × 294,712.50
  4. Step 4: Simplify right side
    536,414.28x = 218,165,272,187.25
  5. Step 5: Solve for x
    x = 218,165,272,187.25/536,414.28
  6. Step 6: Final answer
    x = 406,710.41

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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.