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Finding the Fourth Proportional to 610,480.13, 842,462.64 and 338,589.59

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Solution

The fourth proportional to 610,480.13, 842,462.64 and 338,589.59 is: 467,253.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,480.13 : 842,462.64 = 338,589.59 : x
  2. Step 2: Convert to fraction form
    610,480.13/842,462.64 = 338,589.59/x
  3. Step 3: Cross multiply
    610,480.13x = 842,462.64 × 338,589.59
  4. Step 4: Simplify right side
    610,480.13x = 285,249,075,655.60
  5. Step 5: Solve for x
    x = 285,249,075,655.60/610,480.13
  6. Step 6: Final answer
    x = 467,253.66

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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.