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Finding the Fourth Proportional to 524,352.70, 723,706.22 and 328,210.19

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Solution

The fourth proportional to 524,352.70, 723,706.22 and 328,210.19 is: 452,992.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,352.70 : 723,706.22 = 328,210.19 : x
  2. Step 2: Convert to fraction form
    524,352.70/723,706.22 = 328,210.19/x
  3. Step 3: Cross multiply
    524,352.70x = 723,706.22 × 328,210.19
  4. Step 4: Simplify right side
    524,352.70x = 237,527,756,138.60
  5. Step 5: Solve for x
    x = 237,527,756,138.60/524,352.70
  6. Step 6: Final answer
    x = 452,992.34

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.