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Finding the Fourth Proportional to 583,833.06, 805,687.29 and 315,561.06

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Solution

The fourth proportional to 583,833.06, 805,687.29 and 315,561.06 is: 435,473.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,833.06 : 805,687.29 = 315,561.06 : x
  2. Step 2: Convert to fraction form
    583,833.06/805,687.29 = 315,561.06/x
  3. Step 3: Cross multiply
    583,833.06x = 805,687.29 × 315,561.06
  4. Step 4: Simplify right side
    583,833.06x = 254,243,535,260.93
  5. Step 5: Solve for x
    x = 254,243,535,260.93/583,833.06
  6. Step 6: Final answer
    x = 435,473.00

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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.