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Finding the Fourth Proportional to 343,599.20, 474,150.88 and 190,635.76

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Solution

The fourth proportional to 343,599.20, 474,150.88 and 190,635.76 is: 263,068.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,599.20 : 474,150.88 = 190,635.76 : x
  2. Step 2: Convert to fraction form
    343,599.20/474,150.88 = 190,635.76/x
  3. Step 3: Cross multiply
    343,599.20x = 474,150.88 × 190,635.76
  4. Step 4: Simplify right side
    343,599.20x = 90,390,113,363.47
  5. Step 5: Solve for x
    x = 90,390,113,363.47/343,599.20
  6. Step 6: Final answer
    x = 263,068.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.