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Finding the Fourth Proportional to 342,320.55, 513,492.54 and 117,679.07

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Solution

The fourth proportional to 342,320.55, 513,492.54 and 117,679.07 is: 176,522.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,320.55 : 513,492.54 = 117,679.07 : x
  2. Step 2: Convert to fraction form
    342,320.55/513,492.54 = 117,679.07/x
  3. Step 3: Cross multiply
    342,320.55x = 513,492.54 × 117,679.07
  4. Step 4: Simplify right side
    342,320.55x = 60,427,321,403.28
  5. Step 5: Solve for x
    x = 60,427,321,403.28/342,320.55
  6. Step 6: Final answer
    x = 176,522.62

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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.