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Finding the Fourth Proportional to 448,445.92, 618,831.92 and 254,827.74

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Solution

The fourth proportional to 448,445.92, 618,831.92 and 254,827.74 is: 351,648.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,445.92 : 618,831.92 = 254,827.74 : x
  2. Step 2: Convert to fraction form
    448,445.92/618,831.92 = 254,827.74/x
  3. Step 3: Cross multiply
    448,445.92x = 618,831.92 × 254,827.74
  4. Step 4: Simplify right side
    448,445.92x = 157,695,537,656.81
  5. Step 5: Solve for x
    x = 157,695,537,656.81/448,445.92
  6. Step 6: Final answer
    x = 351,648.95

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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.