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Finding the Fourth Proportional to 348,392.13, 522,675.94 and 99,074.13

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Solution

The fourth proportional to 348,392.13, 522,675.94 and 99,074.13 is: 148,636.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,392.13 : 522,675.94 = 99,074.13 : x
  2. Step 2: Convert to fraction form
    348,392.13/522,675.94 = 99,074.13/x
  3. Step 3: Cross multiply
    348,392.13x = 522,675.94 × 99,074.13
  4. Step 4: Simplify right side
    348,392.13x = 51,783,664,027.43
  5. Step 5: Solve for x
    x = 51,783,664,027.43/348,392.13
  6. Step 6: Final answer
    x = 148,636.15

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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.