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Finding the Fourth Proportional to 524,264.60, 786,980.10 and 324,810.20

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Solution

The fourth proportional to 524,264.60, 786,980.10 and 324,810.20 is: 487,576.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,264.60 : 786,980.10 = 324,810.20 : x
  2. Step 2: Convert to fraction form
    524,264.60/786,980.10 = 324,810.20/x
  3. Step 3: Cross multiply
    524,264.60x = 786,980.10 × 324,810.20
  4. Step 4: Simplify right side
    524,264.60x = 255,619,163,677.02
  5. Step 5: Solve for x
    x = 255,619,163,677.02/524,264.60
  6. Step 6: Final answer
    x = 487,576.62

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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.