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Finding the Fourth Proportional to 277,281.53, 382,666.23 and 156,378.70

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Solution

The fourth proportional to 277,281.53, 382,666.23 and 156,378.70 is: 215,812.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,281.53 : 382,666.23 = 156,378.70 : x
  2. Step 2: Convert to fraction form
    277,281.53/382,666.23 = 156,378.70/x
  3. Step 3: Cross multiply
    277,281.53x = 382,666.23 × 156,378.70
  4. Step 4: Simplify right side
    277,281.53x = 59,840,847,581.30
  5. Step 5: Solve for x
    x = 59,840,847,581.30/277,281.53
  6. Step 6: Final answer
    x = 215,812.60

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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.