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Finding the Fourth Proportional to 506,359.30, 759,305.19 and 186,430.82

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Solution

The fourth proportional to 506,359.30, 759,305.19 and 186,430.82 is: 279,560.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,359.30 : 759,305.19 = 186,430.82 : x
  2. Step 2: Convert to fraction form
    506,359.30/759,305.19 = 186,430.82/x
  3. Step 3: Cross multiply
    506,359.30x = 759,305.19 × 186,430.82
  4. Step 4: Simplify right side
    506,359.30x = 141,557,885,055.87
  5. Step 5: Solve for x
    x = 141,557,885,055.87/506,359.30
  6. Step 6: Final answer
    x = 279,560.16

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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.