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Finding the Fourth Proportional to 608,835.98, 840,429.15 and 545,062.94

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Solution

The fourth proportional to 608,835.98, 840,429.15 and 545,062.94 is: 752,397.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,835.98 : 840,429.15 = 545,062.94 : x
  2. Step 2: Convert to fraction form
    608,835.98/840,429.15 = 545,062.94/x
  3. Step 3: Cross multiply
    608,835.98x = 840,429.15 × 545,062.94
  4. Step 4: Simplify right side
    608,835.98x = 458,086,783,360.70
  5. Step 5: Solve for x
    x = 458,086,783,360.70/608,835.98
  6. Step 6: Final answer
    x = 752,397.69

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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.