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Finding the Fourth Proportional to 553,910.43, 830,865.60 and 175,097.22

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Solution

The fourth proportional to 553,910.43, 830,865.60 and 175,097.22 is: 262,645.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,910.43 : 830,865.60 = 175,097.22 : x
  2. Step 2: Convert to fraction form
    553,910.43/830,865.60 = 175,097.22/x
  3. Step 3: Cross multiply
    553,910.43x = 830,865.60 × 175,097.22
  4. Step 4: Simplify right side
    553,910.43x = 145,482,256,753.63
  5. Step 5: Solve for x
    x = 145,482,256,753.63/553,910.43
  6. Step 6: Final answer
    x = 262,645.82

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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.