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Finding the Fourth Proportional to 407,365.74, 562,038.75 and 237,479.58

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Solution

The fourth proportional to 407,365.74, 562,038.75 and 237,479.58 is: 327,648.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,365.74 : 562,038.75 = 237,479.58 : x
  2. Step 2: Convert to fraction form
    407,365.74/562,038.75 = 237,479.58/x
  3. Step 3: Cross multiply
    407,365.74x = 562,038.75 × 237,479.58
  4. Step 4: Simplify right side
    407,365.74x = 133,472,726,293.73
  5. Step 5: Solve for x
    x = 133,472,726,293.73/407,365.74
  6. Step 6: Final answer
    x = 327,648.38

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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.