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Finding the Fourth Proportional to 277,334.56, 382,688.76 and 156,468.80

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Solution

The fourth proportional to 277,334.56, 382,688.76 and 156,468.80 is: 215,908.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,334.56 : 382,688.76 = 156,468.80 : x
  2. Step 2: Convert to fraction form
    277,334.56/382,688.76 = 156,468.80/x
  3. Step 3: Cross multiply
    277,334.56x = 382,688.76 × 156,468.80
  4. Step 4: Simplify right side
    277,334.56x = 59,878,851,050.69
  5. Step 5: Solve for x
    x = 59,878,851,050.69/277,334.56
  6. Step 6: Final answer
    x = 215,908.36

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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.