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Finding the Fourth Proportional to 407,457.71, 562,327.22 and 237,746.51

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Solution

The fourth proportional to 407,457.71, 562,327.22 and 237,746.51 is: 328,110.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,457.71 : 562,327.22 = 237,746.51 : x
  2. Step 2: Convert to fraction form
    407,457.71/562,327.22 = 237,746.51/x
  3. Step 3: Cross multiply
    407,457.71x = 562,327.22 × 237,746.51
  4. Step 4: Simplify right side
    407,457.71x = 133,691,334,627.37
  5. Step 5: Solve for x
    x = 133,691,334,627.37/407,457.71
  6. Step 6: Final answer
    x = 328,110.95

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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.