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Finding the Fourth Proportional to 265,389.45, 366,312.71 and 174,811.53

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Solution

The fourth proportional to 265,389.45, 366,312.71 and 174,811.53 is: 241,289.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,389.45 : 366,312.71 = 174,811.53 : x
  2. Step 2: Convert to fraction form
    265,389.45/366,312.71 = 174,811.53/x
  3. Step 3: Cross multiply
    265,389.45x = 366,312.71 × 174,811.53
  4. Step 4: Simplify right side
    265,389.45x = 64,035,684,419.49
  5. Step 5: Solve for x
    x = 64,035,684,419.49/265,389.45
  6. Step 6: Final answer
    x = 241,289.49

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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.