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Finding the Fourth Proportional to 608,833.98, 840,426.39 and 545,060.94

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Solution

The fourth proportional to 608,833.98, 840,426.39 and 545,060.94 is: 752,394.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,833.98 : 840,426.39 = 545,060.94 : x
  2. Step 2: Convert to fraction form
    608,833.98/840,426.39 = 545,060.94/x
  3. Step 3: Cross multiply
    608,833.98x = 840,426.39 × 545,060.94
  4. Step 4: Simplify right side
    608,833.98x = 458,083,598,134.21
  5. Step 5: Solve for x
    x = 458,083,598,134.21/608,833.98
  6. Step 6: Final answer
    x = 752,394.93

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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.