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Finding the Fourth Proportional to 341,640.10, 512,460.15 and 152,100.10

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Solution

The fourth proportional to 341,640.10, 512,460.15 and 152,100.10 is: 228,150.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,640.10 : 512,460.15 = 152,100.10 : x
  2. Step 2: Convert to fraction form
    341,640.10/512,460.15 = 152,100.10/x
  3. Step 3: Cross multiply
    341,640.10x = 512,460.15 × 152,100.10
  4. Step 4: Simplify right side
    341,640.10x = 77,945,240,061.02
  5. Step 5: Solve for x
    x = 77,945,240,061.02/341,640.10
  6. Step 6: Final answer
    x = 228,150.15

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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.