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Finding the Fourth Proportional to 583,339.33, 805,073.21 and 368,469.01

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Solution

The fourth proportional to 583,339.33, 805,073.21 and 368,469.01 is: 508,528.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,339.33 : 805,073.21 = 368,469.01 : x
  2. Step 2: Convert to fraction form
    583,339.33/805,073.21 = 368,469.01/x
  3. Step 3: Cross multiply
    583,339.33x = 805,073.21 × 368,469.01
  4. Step 4: Simplify right side
    583,339.33x = 296,644,528,666.22
  5. Step 5: Solve for x
    x = 296,644,528,666.22/583,339.33
  6. Step 6: Final answer
    x = 508,528.25

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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.