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Finding the Fourth Proportional to 307,112.08, 460,602.84 and 129,550.48

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Solution

The fourth proportional to 307,112.08, 460,602.84 and 129,550.48 is: 194,298.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,112.08 : 460,602.84 = 129,550.48 : x
  2. Step 2: Convert to fraction form
    307,112.08/460,602.84 = 129,550.48/x
  3. Step 3: Cross multiply
    307,112.08x = 460,602.84 × 129,550.48
  4. Step 4: Simplify right side
    307,112.08x = 59,671,319,011.36
  5. Step 5: Solve for x
    x = 59,671,319,011.36/307,112.08
  6. Step 6: Final answer
    x = 194,298.18

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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.