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Finding the Fourth Proportional to 506,331.54, 759,050.34 and 191,009.88

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Solution

The fourth proportional to 506,331.54, 759,050.34 and 191,009.88 is: 286,346.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,331.54 : 759,050.34 = 191,009.88 : x
  2. Step 2: Convert to fraction form
    506,331.54/759,050.34 = 191,009.88/x
  3. Step 3: Cross multiply
    506,331.54x = 759,050.34 × 191,009.88
  4. Step 4: Simplify right side
    506,331.54x = 144,986,114,357.36
  5. Step 5: Solve for x
    x = 144,986,114,357.36/506,331.54
  6. Step 6: Final answer
    x = 286,346.20

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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.