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Finding the Fourth Proportional to 417,356.07, 626,132.79 and 332,288.59

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Solution

The fourth proportional to 417,356.07, 626,132.79 and 332,288.59 is: 498,511.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,356.07 : 626,132.79 = 332,288.59 : x
  2. Step 2: Convert to fraction form
    417,356.07/626,132.79 = 332,288.59/x
  3. Step 3: Cross multiply
    417,356.07x = 626,132.79 × 332,288.59
  4. Step 4: Simplify right side
    417,356.07x = 208,056,781,941.87
  5. Step 5: Solve for x
    x = 208,056,781,941.87/417,356.07
  6. Step 6: Final answer
    x = 498,511.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.