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Finding the Fourth Proportional to 261,336.70, 360,622.74 and 146,599.30

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Solution

The fourth proportional to 261,336.70, 360,622.74 and 146,599.30 is: 202,294.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,336.70 : 360,622.74 = 146,599.30 : x
  2. Step 2: Convert to fraction form
    261,336.70/360,622.74 = 146,599.30/x
  3. Step 3: Cross multiply
    261,336.70x = 360,622.74 × 146,599.30
  4. Step 4: Simplify right side
    261,336.70x = 52,867,041,248.08
  5. Step 5: Solve for x
    x = 52,867,041,248.08/261,336.70
  6. Step 6: Final answer
    x = 202,294.75

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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.