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Finding the Fourth Proportional to 210,326.30, 315,489.45 and 184,082.30

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Solution

The fourth proportional to 210,326.30, 315,489.45 and 184,082.30 is: 276,123.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,326.30 : 315,489.45 = 184,082.30 : x
  2. Step 2: Convert to fraction form
    210,326.30/315,489.45 = 184,082.30/x
  3. Step 3: Cross multiply
    210,326.30x = 315,489.45 × 184,082.30
  4. Step 4: Simplify right side
    210,326.30x = 58,076,023,581.74
  5. Step 5: Solve for x
    x = 58,076,023,581.74/210,326.30
  6. Step 6: Final answer
    x = 276,123.45

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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.