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Finding the Fourth Proportional to 583,549.16, 805,320.36 and 328,894.88

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Solution

The fourth proportional to 583,549.16, 805,320.36 and 328,894.88 is: 453,887.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,549.16 : 805,320.36 = 328,894.88 : x
  2. Step 2: Convert to fraction form
    583,549.16/805,320.36 = 328,894.88/x
  3. Step 3: Cross multiply
    583,549.16x = 805,320.36 × 328,894.88
  4. Step 4: Simplify right side
    583,549.16x = 264,865,739,137.16
  5. Step 5: Solve for x
    x = 264,865,739,137.16/583,549.16
  6. Step 6: Final answer
    x = 453,887.62

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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.