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Finding the Fourth Proportional to 302,710.82, 417,740.90 and 175,460.22

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Solution

The fourth proportional to 302,710.82, 417,740.90 and 175,460.22 is: 242,135.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,710.82 : 417,740.90 = 175,460.22 : x
  2. Step 2: Convert to fraction form
    302,710.82/417,740.90 = 175,460.22/x
  3. Step 3: Cross multiply
    302,710.82x = 417,740.90 × 175,460.22
  4. Step 4: Simplify right side
    302,710.82x = 73,296,909,339.70
  5. Step 5: Solve for x
    x = 73,296,909,339.70/302,710.82
  6. Step 6: Final answer
    x = 242,135.09

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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.