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Finding the Fourth Proportional to 372,549.02, 514,103.36 and 211,394.45

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Solution

The fourth proportional to 372,549.02, 514,103.36 and 211,394.45 is: 291,716.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,549.02 : 514,103.36 = 211,394.45 : x
  2. Step 2: Convert to fraction form
    372,549.02/514,103.36 = 211,394.45/x
  3. Step 3: Cross multiply
    372,549.02x = 514,103.36 × 211,394.45
  4. Step 4: Simplify right side
    372,549.02x = 108,678,597,258.64
  5. Step 5: Solve for x
    x = 108,678,597,258.64/372,549.02
  6. Step 6: Final answer
    x = 291,716.24

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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.