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Finding the Fourth Proportional to 514,163.02, 770,240.13 and 354,210.70

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Solution

The fourth proportional to 514,163.02, 770,240.13 and 354,210.70 is: 530,624.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,163.02 : 770,240.13 = 354,210.70 : x
  2. Step 2: Convert to fraction form
    514,163.02/770,240.13 = 354,210.70/x
  3. Step 3: Cross multiply
    514,163.02x = 770,240.13 × 354,210.70
  4. Step 4: Simplify right side
    514,163.02x = 272,827,295,615.39
  5. Step 5: Solve for x
    x = 272,827,295,615.39/514,163.02
  6. Step 6: Final answer
    x = 530,624.11

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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.