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Finding the Fourth Proportional to 525,766.12, 788,764.74 and 170,817.64

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Solution

The fourth proportional to 525,766.12, 788,764.74 and 170,817.64 is: 256,264.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,766.12 : 788,764.74 = 170,817.64 : x
  2. Step 2: Convert to fraction form
    525,766.12/788,764.74 = 170,817.64/x
  3. Step 3: Cross multiply
    525,766.12x = 788,764.74 × 170,817.64
  4. Step 4: Simplify right side
    525,766.12x = 134,734,931,402.01
  5. Step 5: Solve for x
    x = 134,734,931,402.01/525,766.12
  6. Step 6: Final answer
    x = 256,264.00

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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.