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Finding the Fourth Proportional to 524,784.40, 786,010.20 and 524,784.40

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Solution

The fourth proportional to 524,784.40, 786,010.20 and 524,784.40 is: 786,010.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,784.40 : 786,010.20 = 524,784.40 : x
  2. Step 2: Convert to fraction form
    524,784.40/786,010.20 = 524,784.40/x
  3. Step 3: Cross multiply
    524,784.40x = 786,010.20 × 524,784.40
  4. Step 4: Simplify right side
    524,784.40x = 412,485,891,200.88
  5. Step 5: Solve for x
    x = 412,485,891,200.88/524,784.40
  6. Step 6: Final answer
    x = 786,010.20

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Double scale
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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.