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Finding the Fourth Proportional to 525,707.10, 788,560.65 and 441,726.30

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Solution

The fourth proportional to 525,707.10, 788,560.65 and 441,726.30 is: 662,589.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,707.10 : 788,560.65 = 441,726.30 : x
  2. Step 2: Convert to fraction form
    525,707.10/788,560.65 = 441,726.30/x
  3. Step 3: Cross multiply
    525,707.10x = 788,560.65 × 441,726.30
  4. Step 4: Simplify right side
    525,707.10x = 348,327,978,250.10
  5. Step 5: Solve for x
    x = 348,327,978,250.10/525,707.10
  6. Step 6: Final answer
    x = 662,589.45

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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.