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Finding the Fourth Proportional to 277,332.57, 382,686.01 and 156,466.80

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Solution

The fourth proportional to 277,332.57, 382,686.01 and 156,466.80 is: 215,905.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,332.57 : 382,686.01 = 156,466.80 : x
  2. Step 2: Convert to fraction form
    277,332.57/382,686.01 = 156,466.80/x
  3. Step 3: Cross multiply
    277,332.57x = 382,686.01 × 156,466.80
  4. Step 4: Simplify right side
    277,332.57x = 59,877,652,693.70
  5. Step 5: Solve for x
    x = 59,877,652,693.70/277,332.57
  6. Step 6: Final answer
    x = 215,905.60

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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.