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Finding the Fourth Proportional to 502,328.40, 753,492.60 and 169,904.40

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Solution

The fourth proportional to 502,328.40, 753,492.60 and 169,904.40 is: 254,856.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,328.40 : 753,492.60 = 169,904.40 : x
  2. Step 2: Convert to fraction form
    502,328.40/753,492.60 = 169,904.40/x
  3. Step 3: Cross multiply
    502,328.40x = 753,492.60 × 169,904.40
  4. Step 4: Simplify right side
    502,328.40x = 128,021,708,107.44
  5. Step 5: Solve for x
    x = 128,021,708,107.44/502,328.40
  6. Step 6: Final answer
    x = 254,856.60

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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.