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Finding the Fourth Proportional to 376,373.67, 519,397.56 and 215,235.51

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Solution

The fourth proportional to 376,373.67, 519,397.56 and 215,235.51 is: 297,026.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,373.67 : 519,397.56 = 215,235.51 : x
  2. Step 2: Convert to fraction form
    376,373.67/519,397.56 = 215,235.51/x
  3. Step 3: Cross multiply
    376,373.67x = 519,397.56 × 215,235.51
  4. Step 4: Simplify right side
    376,373.67x = 111,792,798,719.36
  5. Step 5: Solve for x
    x = 111,792,798,719.36/376,373.67
  6. Step 6: Final answer
    x = 297,026.09

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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.