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Finding the Fourth Proportional to 608,886.40, 840,601.02 and 367,229.92

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Solution

The fourth proportional to 608,886.40, 840,601.02 and 367,229.92 is: 506,981.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,886.40 : 840,601.02 = 367,229.92 : x
  2. Step 2: Convert to fraction form
    608,886.40/840,601.02 = 367,229.92/x
  3. Step 3: Cross multiply
    608,886.40x = 840,601.02 × 367,229.92
  4. Step 4: Simplify right side
    608,886.40x = 308,693,845,326.52
  5. Step 5: Solve for x
    x = 308,693,845,326.52/608,886.40
  6. Step 6: Final answer
    x = 506,981.02

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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.