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Finding the Fourth Proportional to 348,503.07, 522,544.14 and 156,342.32

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Solution

The fourth proportional to 348,503.07, 522,544.14 and 156,342.32 is: 234,419.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,503.07 : 522,544.14 = 156,342.32 : x
  2. Step 2: Convert to fraction form
    348,503.07/522,544.14 = 156,342.32/x
  3. Step 3: Cross multiply
    348,503.07x = 522,544.14 × 156,342.32
  4. Step 4: Simplify right side
    348,503.07x = 81,695,760,537.28
  5. Step 5: Solve for x
    x = 81,695,760,537.28/348,503.07
  6. Step 6: Final answer
    x = 234,419.06

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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.