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Finding the Fourth Proportional to 583,811.66, 805,659.72 and 315,539.66

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Solution

The fourth proportional to 583,811.66, 805,659.72 and 315,539.66 is: 435,444.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,811.66 : 805,659.72 = 315,539.66 : x
  2. Step 2: Convert to fraction form
    583,811.66/805,659.72 = 315,539.66/x
  3. Step 3: Cross multiply
    583,811.66x = 805,659.72 × 315,539.66
  4. Step 4: Simplify right side
    583,811.66x = 254,217,590,096.20
  5. Step 5: Solve for x
    x = 254,217,590,096.20/583,811.66
  6. Step 6: Final answer
    x = 435,444.53

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.