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Finding the Fourth Proportional to 613,013.32, 845,950.26 and 344,741.32

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Solution

The fourth proportional to 613,013.32, 845,950.26 and 344,741.32 is: 475,738.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,013.32 : 845,950.26 = 344,741.32 : x
  2. Step 2: Convert to fraction form
    613,013.32/845,950.26 = 344,741.32/x
  3. Step 3: Cross multiply
    613,013.32x = 845,950.26 × 344,741.32
  4. Step 4: Simplify right side
    613,013.32x = 291,634,009,286.74
  5. Step 5: Solve for x
    x = 291,634,009,286.74/613,013.32
  6. Step 6: Final answer
    x = 475,738.45

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Double scale
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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.