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Finding the Fourth Proportional to 524,027.10, 786,040.65 and 524,027.10

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Solution

The fourth proportional to 524,027.10, 786,040.65 and 524,027.10 is: 786,040.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,027.10 : 786,040.65 = 524,027.10 : x
  2. Step 2: Convert to fraction form
    524,027.10/786,040.65 = 524,027.10/x
  3. Step 3: Cross multiply
    524,027.10x = 786,040.65 × 524,027.10
  4. Step 4: Simplify right side
    524,027.10x = 411,906,602,301.62
  5. Step 5: Solve for x
    x = 411,906,602,301.62/524,027.10
  6. Step 6: Final answer
    x = 786,040.65

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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.