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Finding the Fourth Proportional to 524,812.40, 786,052.20 and 524,812.40

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Solution

The fourth proportional to 524,812.40, 786,052.20 and 524,812.40 is: 786,052.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,812.40 : 786,052.20 = 524,812.40 : x
  2. Step 2: Convert to fraction form
    524,812.40/786,052.20 = 524,812.40/x
  3. Step 3: Cross multiply
    524,812.40x = 786,052.20 × 524,812.40
  4. Step 4: Simplify right side
    524,812.40x = 412,529,941,607.28
  5. Step 5: Solve for x
    x = 412,529,941,607.28/524,812.40
  6. Step 6: Final answer
    x = 786,052.20

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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.