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Finding the Fourth Proportional to 613,326.16, 846,399.66 and 341,397.04

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Solution

The fourth proportional to 613,326.16, 846,399.66 and 341,397.04 is: 471,133.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,326.16 : 846,399.66 = 341,397.04 : x
  2. Step 2: Convert to fraction form
    613,326.16/846,399.66 = 341,397.04/x
  3. Step 3: Cross multiply
    613,326.16x = 846,399.66 × 341,397.04
  4. Step 4: Simplify right side
    613,326.16x = 288,958,338,581.01
  5. Step 5: Solve for x
    x = 288,958,338,581.01/613,326.16
  6. Step 6: Final answer
    x = 471,133.24

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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.