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Finding the Fourth Proportional to 329,541.70, 494,312.55 and 152,394.70

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Solution

The fourth proportional to 329,541.70, 494,312.55 and 152,394.70 is: 228,592.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,541.70 : 494,312.55 = 152,394.70 : x
  2. Step 2: Convert to fraction form
    329,541.70/494,312.55 = 152,394.70/x
  3. Step 3: Cross multiply
    329,541.70x = 494,312.55 × 152,394.70
  4. Step 4: Simplify right side
    329,541.70x = 75,330,612,763.49
  5. Step 5: Solve for x
    x = 75,330,612,763.49/329,541.70
  6. Step 6: Final answer
    x = 228,592.05

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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.