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Finding the Fourth Proportional to 583,701.12, 805,496.81 and 329,052.51

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Solution

The fourth proportional to 583,701.12, 805,496.81 and 329,052.51 is: 454,086.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,701.12 : 805,496.81 = 329,052.51 : x
  2. Step 2: Convert to fraction form
    583,701.12/805,496.81 = 329,052.51/x
  3. Step 3: Cross multiply
    583,701.12x = 805,496.81 × 329,052.51
  4. Step 4: Simplify right side
    583,701.12x = 265,050,745,482.23
  5. Step 5: Solve for x
    x = 265,050,745,482.23/583,701.12
  6. Step 6: Final answer
    x = 454,086.41

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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.