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Finding the Fourth Proportional to 302,673.74, 453,852.95 and 112,978.10

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Solution

The fourth proportional to 302,673.74, 453,852.95 and 112,978.10 is: 169,408.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,673.74 : 453,852.95 = 112,978.10 : x
  2. Step 2: Convert to fraction form
    302,673.74/453,852.95 = 112,978.10/x
  3. Step 3: Cross multiply
    302,673.74x = 453,852.95 × 112,978.10
  4. Step 4: Simplify right side
    302,673.74x = 51,275,444,540.14
  5. Step 5: Solve for x
    x = 51,275,444,540.14/302,673.74
  6. Step 6: Final answer
    x = 169,408.31

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1.5x scale

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.