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Finding the Fourth Proportional to 348,713.80, 523,070.70 and 112,080.40

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Solution

The fourth proportional to 348,713.80, 523,070.70 and 112,080.40 is: 168,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,713.80 : 523,070.70 = 112,080.40 : x
  2. Step 2: Convert to fraction form
    348,713.80/523,070.70 = 112,080.40/x
  3. Step 3: Cross multiply
    348,713.80x = 523,070.70 × 112,080.40
  4. Step 4: Simplify right side
    348,713.80x = 58,625,973,284.28
  5. Step 5: Solve for x
    x = 58,625,973,284.28/348,713.80
  6. Step 6: Final answer
    x = 168,120.60

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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.