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Finding the Fourth Proportional to 583,668.80, 805,475.36 and 329,019.92

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Solution

The fourth proportional to 583,668.80, 805,475.36 and 329,019.92 is: 454,054.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,668.80 : 805,475.36 = 329,019.92 : x
  2. Step 2: Convert to fraction form
    583,668.80/805,475.36 = 329,019.92/x
  3. Step 3: Cross multiply
    583,668.80x = 805,475.36 × 329,019.92
  4. Step 4: Simplify right side
    583,668.80x = 265,017,438,509.17
  5. Step 5: Solve for x
    x = 265,017,438,509.17/583,668.80
  6. Step 6: Final answer
    x = 454,054.49

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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.