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Finding the Fourth Proportional to 467,315.68, 644,909 and 260,588.82

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Solution

The fourth proportional to 467,315.68, 644,909 and 260,588.82 is: 359,620.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,315.68 : 644,909 = 260,588.82 : x
  2. Step 2: Convert to fraction form
    467,315.68/644,909 = 260,588.82/x
  3. Step 3: Cross multiply
    467,315.68x = 644,909 × 260,588.82
  4. Step 4: Simplify right side
    467,315.68x = 168,056,075,317.38
  5. Step 5: Solve for x
    x = 168,056,075,317.38/467,315.68
  6. Step 6: Final answer
    x = 359,620.02

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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.