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Finding the Fourth Proportional to 525,704.80, 788,672.40 and 170,658.40

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Solution

The fourth proportional to 525,704.80, 788,672.40 and 170,658.40 is: 256,025.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,704.80 : 788,672.40 = 170,658.40 : x
  2. Step 2: Convert to fraction form
    525,704.80/788,672.40 = 170,658.40/x
  3. Step 3: Cross multiply
    525,704.80x = 788,672.40 × 170,658.40
  4. Step 4: Simplify right side
    525,704.80x = 134,593,569,908.16
  5. Step 5: Solve for x
    x = 134,593,569,908.16/525,704.80
  6. Step 6: Final answer
    x = 256,025.00

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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.