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Finding the Fourth Proportional to 451,695.30, 677,542.95 and 152,076.30

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Solution

The fourth proportional to 451,695.30, 677,542.95 and 152,076.30 is: 228,114.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,695.30 : 677,542.95 = 152,076.30 : x
  2. Step 2: Convert to fraction form
    451,695.30/677,542.95 = 152,076.30/x
  3. Step 3: Cross multiply
    451,695.30x = 677,542.95 × 152,076.30
  4. Step 4: Simplify right side
    451,695.30x = 103,038,224,927.09
  5. Step 5: Solve for x
    x = 103,038,224,927.09/451,695.30
  6. Step 6: Final answer
    x = 228,114.45

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Similar ratio
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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.