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Finding the Fourth Proportional to 404,066.88, 557,603.52 and 234,316.80

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Solution

The fourth proportional to 404,066.88, 557,603.52 and 234,316.80 is: 323,352.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,066.88 : 557,603.52 = 234,316.80 : x
  2. Step 2: Convert to fraction form
    404,066.88/557,603.52 = 234,316.80/x
  3. Step 3: Cross multiply
    404,066.88x = 557,603.52 × 234,316.80
  4. Step 4: Simplify right side
    404,066.88x = 130,655,872,475.14
  5. Step 5: Solve for x
    x = 130,655,872,475.14/404,066.88
  6. Step 6: Final answer
    x = 323,352.10

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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.