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Finding the Fourth Proportional to 303,070.14, 418,328.55 and 175,777.02

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Solution

The fourth proportional to 303,070.14, 418,328.55 and 175,777.02 is: 242,625.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,070.14 : 418,328.55 = 175,777.02 : x
  2. Step 2: Convert to fraction form
    303,070.14/418,328.55 = 175,777.02/x
  3. Step 3: Cross multiply
    303,070.14x = 418,328.55 × 175,777.02
  4. Step 4: Simplify right side
    303,070.14x = 73,532,545,899.92
  5. Step 5: Solve for x
    x = 73,532,545,899.92/303,070.14
  6. Step 6: Final answer
    x = 242,625.51

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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.