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Finding the Fourth Proportional to 242,612.20, 333,300.17 and 200,038.60

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Solution

The fourth proportional to 242,612.20, 333,300.17 and 200,038.60 is: 274,812.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,612.20 : 333,300.17 = 200,038.60 : x
  2. Step 2: Convert to fraction form
    242,612.20/333,300.17 = 200,038.60/x
  3. Step 3: Cross multiply
    242,612.20x = 333,300.17 × 200,038.60
  4. Step 4: Simplify right side
    242,612.20x = 66,672,899,386.56
  5. Step 5: Solve for x
    x = 66,672,899,386.56/242,612.20
  6. Step 6: Final answer
    x = 274,812.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.