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Finding the Fourth Proportional to 525,509.10, 788,263.11 and 170,523.09

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Solution

The fourth proportional to 525,509.10, 788,263.11 and 170,523.09 is: 255,784.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,509.10 : 788,263.11 = 170,523.09 : x
  2. Step 2: Convert to fraction form
    525,509.10/788,263.11 = 170,523.09/x
  3. Step 3: Cross multiply
    525,509.10x = 788,263.11 × 170,523.09
  4. Step 4: Simplify right side
    525,509.10x = 134,417,061,250.21
  5. Step 5: Solve for x
    x = 134,417,061,250.21/525,509.10
  6. Step 6: Final answer
    x = 255,784.46

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Double scale
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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.