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Finding the Fourth Proportional to 583,353, 805,027.68 and 315,081

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Solution

The fourth proportional to 583,353, 805,027.68 and 315,081 is: 434,812.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,353 : 805,027.68 = 315,081 : x
  2. Step 2: Convert to fraction form
    583,353/805,027.68 = 315,081/x
  3. Step 3: Cross multiply
    583,353x = 805,027.68 × 315,081
  4. Step 4: Simplify right side
    583,353x = 253,648,926,442.08
  5. Step 5: Solve for x
    x = 253,648,926,442.08/583,353
  6. Step 6: Final answer
    x = 434,812.07

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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.