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Finding the Fourth Proportional to 348,333.57, 522,587.84 and 99,015.57

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Solution

The fourth proportional to 348,333.57, 522,587.84 and 99,015.57 is: 148,548.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,333.57 : 522,587.84 = 99,015.57 : x
  2. Step 2: Convert to fraction form
    348,333.57/522,587.84 = 99,015.57/x
  3. Step 3: Cross multiply
    348,333.57x = 522,587.84 × 99,015.57
  4. Step 4: Simplify right side
    348,333.57x = 51,744,332,357.59
  5. Step 5: Solve for x
    x = 51,744,332,357.59/348,333.57
  6. Step 6: Final answer
    x = 148,548.22

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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.