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Finding the Fourth Proportional to 255,073.53, 382,400.76 and 174,890.01

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Solution

The fourth proportional to 255,073.53, 382,400.76 and 174,890.01 is: 262,191.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,073.53 : 382,400.76 = 174,890.01 : x
  2. Step 2: Convert to fraction form
    255,073.53/382,400.76 = 174,890.01/x
  3. Step 3: Cross multiply
    255,073.53x = 382,400.76 × 174,890.01
  4. Step 4: Simplify right side
    255,073.53x = 66,878,072,740.41
  5. Step 5: Solve for x
    x = 66,878,072,740.41/255,073.53
  6. Step 6: Final answer
    x = 262,191.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.