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Finding the Fourth Proportional to 1,365.95, 2,048.93 and 500.46

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Solution

The fourth proportional to 1,365.95, 2,048.93 and 500.46 is: 750.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365.95 : 2,048.93 = 500.46 : x
  2. Step 2: Convert to fraction form
    1,365.95/2,048.93 = 500.46/x
  3. Step 3: Cross multiply
    1,365.95x = 2,048.93 × 500.46
  4. Step 4: Simplify right side
    1,365.95x = 1,025,405.01
  5. Step 5: Solve for x
    x = 1,025,405.01/1,365.95
  6. Step 6: Final answer
    x = 750.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.