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Finding the Fourth Proportional to 506,414.40, 698,825.96 and 276,927.08

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Solution

The fourth proportional to 506,414.40, 698,825.96 and 276,927.08 is: 382,145.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,414.40 : 698,825.96 = 276,927.08 : x
  2. Step 2: Convert to fraction form
    506,414.40/698,825.96 = 276,927.08/x
  3. Step 3: Cross multiply
    506,414.40x = 698,825.96 × 276,927.08
  4. Step 4: Simplify right side
    506,414.40x = 193,523,832,531.00
  5. Step 5: Solve for x
    x = 193,523,832,531.00/506,414.40
  6. Step 6: Final answer
    x = 382,145.20

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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.