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Finding the Fourth Proportional to 303,053.16, 418,206.78 and 175,740.60

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Solution

The fourth proportional to 303,053.16, 418,206.78 and 175,740.60 is: 242,518.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,053.16 : 418,206.78 = 175,740.60 : x
  2. Step 2: Convert to fraction form
    303,053.16/418,206.78 = 175,740.60/x
  3. Step 3: Cross multiply
    303,053.16x = 418,206.78 × 175,740.60
  4. Step 4: Simplify right side
    303,053.16x = 73,495,910,441.27
  5. Step 5: Solve for x
    x = 73,495,910,441.27/303,053.16
  6. Step 6: Final answer
    x = 242,518.21

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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.