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Finding the Fourth Proportional to 675,932.19, 932,722.62 and 403,945.94

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Solution

The fourth proportional to 675,932.19, 932,722.62 and 403,945.94 is: 557,407.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,932.19 : 932,722.62 = 403,945.94 : x
  2. Step 2: Convert to fraction form
    675,932.19/932,722.62 = 403,945.94/x
  3. Step 3: Cross multiply
    675,932.19x = 932,722.62 × 403,945.94
  4. Step 4: Simplify right side
    675,932.19x = 376,769,510,831.55
  5. Step 5: Solve for x
    x = 376,769,510,831.55/675,932.19
  6. Step 6: Final answer
    x = 557,407.26

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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.