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Finding the Fourth Proportional to 366,966.20, 513,130.60 and 366,966.20

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Solution

The fourth proportional to 366,966.20, 513,130.60 and 366,966.20 is: 513,130.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,966.20 : 513,130.60 = 366,966.20 : x
  2. Step 2: Convert to fraction form
    366,966.20/513,130.60 = 366,966.20/x
  3. Step 3: Cross multiply
    366,966.20x = 513,130.60 × 366,966.20
  4. Step 4: Simplify right side
    366,966.20x = 188,301,586,385.72
  5. Step 5: Solve for x
    x = 188,301,586,385.72/366,966.20
  6. Step 6: Final answer
    x = 513,130.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.