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Finding the Fourth Proportional to 338,465.74, 467,066.65 and 202,574.54

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Solution

The fourth proportional to 338,465.74, 467,066.65 and 202,574.54 is: 279,543.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,465.74 : 467,066.65 = 202,574.54 : x
  2. Step 2: Convert to fraction form
    338,465.74/467,066.65 = 202,574.54/x
  3. Step 3: Cross multiply
    338,465.74x = 467,066.65 × 202,574.54
  4. Step 4: Simplify right side
    338,465.74x = 94,615,811,773.09
  5. Step 5: Solve for x
    x = 94,615,811,773.09/338,465.74
  6. Step 6: Final answer
    x = 279,543.25

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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.