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Finding the Fourth Proportional to 583,888.46, 805,789.97 and 368,950.10

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Solution

The fourth proportional to 583,888.46, 805,789.97 and 368,950.10 is: 509,166.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,888.46 : 805,789.97 = 368,950.10 : x
  2. Step 2: Convert to fraction form
    583,888.46/805,789.97 = 368,950.10/x
  3. Step 3: Cross multiply
    583,888.46x = 805,789.97 × 368,950.10
  4. Step 4: Simplify right side
    583,888.46x = 297,296,284,136.80
  5. Step 5: Solve for x
    x = 297,296,284,136.80/583,888.46
  6. Step 6: Final answer
    x = 509,166.23

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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.