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Finding the Fourth Proportional to 313,471.52, 432,566.73 and 184,415.13

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Solution

The fourth proportional to 313,471.52, 432,566.73 and 184,415.13 is: 254,478.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,471.52 : 432,566.73 = 184,415.13 : x
  2. Step 2: Convert to fraction form
    313,471.52/432,566.73 = 184,415.13/x
  3. Step 3: Cross multiply
    313,471.52x = 432,566.73 × 184,415.13
  4. Step 4: Simplify right side
    313,471.52x = 79,771,849,746.62
  5. Step 5: Solve for x
    x = 79,771,849,746.62/313,471.52
  6. Step 6: Final answer
    x = 254,478.78

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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.