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Finding the Fourth Proportional to 536,550.84, 740,481.35 and 307,180.07

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Solution

The fourth proportional to 536,550.84, 740,481.35 and 307,180.07 is: 423,932.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,550.84 : 740,481.35 = 307,180.07 : x
  2. Step 2: Convert to fraction form
    536,550.84/740,481.35 = 307,180.07/x
  3. Step 3: Cross multiply
    536,550.84x = 740,481.35 × 307,180.07
  4. Step 4: Simplify right side
    536,550.84x = 227,461,111,390.79
  5. Step 5: Solve for x
    x = 227,461,111,390.79/536,550.84
  6. Step 6: Final answer
    x = 423,932.08

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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.