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Finding the Fourth Proportional to 632,886.09, 873,383.87 and 346,424.33

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Solution

The fourth proportional to 632,886.09, 873,383.87 and 346,424.33 is: 478,066.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,886.09 : 873,383.87 = 346,424.33 : x
  2. Step 2: Convert to fraction form
    632,886.09/873,383.87 = 346,424.33/x
  3. Step 3: Cross multiply
    632,886.09x = 873,383.87 × 346,424.33
  4. Step 4: Simplify right side
    632,886.09x = 302,561,415,898.52
  5. Step 5: Solve for x
    x = 302,561,415,898.52/632,886.09
  6. Step 6: Final answer
    x = 478,066.15

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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.