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Finding the Fourth Proportional to 583,904.62, 805,650.51 and 329,206.60

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Solution

The fourth proportional to 583,904.62, 805,650.51 and 329,206.60 is: 454,227.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,904.62 : 805,650.51 = 329,206.60 : x
  2. Step 2: Convert to fraction form
    583,904.62/805,650.51 = 329,206.60/x
  3. Step 3: Cross multiply
    583,904.62x = 805,650.51 × 329,206.60
  4. Step 4: Simplify right side
    583,904.62x = 265,225,465,185.37
  5. Step 5: Solve for x
    x = 265,225,465,185.37/583,904.62
  6. Step 6: Final answer
    x = 454,227.38

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Double scale
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1.5x scale

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.