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Finding the Fourth Proportional to 583,685.99, 805,180.28 and 474,911.93

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Solution

The fourth proportional to 583,685.99, 805,180.28 and 474,911.93 is: 655,129.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,685.99 : 805,180.28 = 474,911.93 : x
  2. Step 2: Convert to fraction form
    583,685.99/805,180.28 = 474,911.93/x
  3. Step 3: Cross multiply
    583,685.99x = 805,180.28 × 474,911.93
  4. Step 4: Simplify right side
    583,685.99x = 382,389,714,372.28
  5. Step 5: Solve for x
    x = 382,389,714,372.28/583,685.99
  6. Step 6: Final answer
    x = 655,129.17

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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.