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Finding the Fourth Proportional to 302,743, 417,798.30 and 168,607

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Solution

The fourth proportional to 302,743, 417,798.30 and 168,607 is: 232,684.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,743 : 417,798.30 = 168,607 : x
  2. Step 2: Convert to fraction form
    302,743/417,798.30 = 168,607/x
  3. Step 3: Cross multiply
    302,743x = 417,798.30 × 168,607
  4. Step 4: Simplify right side
    302,743x = 70,443,717,968.10
  5. Step 5: Solve for x
    x = 70,443,717,968.10/302,743
  6. Step 6: Final answer
    x = 232,684.88

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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.