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Finding the Fourth Proportional to 343,267.40, 514,901.10 and 185,803.40

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Solution

The fourth proportional to 343,267.40, 514,901.10 and 185,803.40 is: 278,705.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,267.40 : 514,901.10 = 185,803.40 : x
  2. Step 2: Convert to fraction form
    343,267.40/514,901.10 = 185,803.40/x
  3. Step 3: Cross multiply
    343,267.40x = 514,901.10 × 185,803.40
  4. Step 4: Simplify right side
    343,267.40x = 95,670,375,043.74
  5. Step 5: Solve for x
    x = 95,670,375,043.74/343,267.40
  6. Step 6: Final answer
    x = 278,705.10

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Similar ratio
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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.