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Finding the Fourth Proportional to 608,953.74, 840,151.32 and 354,095.34

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Solution

The fourth proportional to 608,953.74, 840,151.32 and 354,095.34 is: 488,532.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,953.74 : 840,151.32 = 354,095.34 : x
  2. Step 2: Convert to fraction form
    608,953.74/840,151.32 = 354,095.34/x
  3. Step 3: Cross multiply
    608,953.74x = 840,151.32 × 354,095.34
  4. Step 4: Simplify right side
    608,953.74x = 297,493,667,306.85
  5. Step 5: Solve for x
    x = 297,493,667,306.85/608,953.74
  6. Step 6: Final answer
    x = 488,532.46

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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.