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Finding the Fourth Proportional to 404,603.68, 558,616.08 and 362,089.12

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Solution

The fourth proportional to 404,603.68, 558,616.08 and 362,089.12 is: 499,918.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,603.68 : 558,616.08 = 362,089.12 : x
  2. Step 2: Convert to fraction form
    404,603.68/558,616.08 = 362,089.12/x
  3. Step 3: Cross multiply
    404,603.68x = 558,616.08 × 362,089.12
  4. Step 4: Simplify right side
    404,603.68x = 202,268,804,825.05
  5. Step 5: Solve for x
    x = 202,268,804,825.05/404,603.68
  6. Step 6: Final answer
    x = 499,918.35

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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.