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Finding the Fourth Proportional to 536,698.65, 740,648.75 and 294,986.84

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Solution

The fourth proportional to 536,698.65, 740,648.75 and 294,986.84 is: 407,084.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,698.65 : 740,648.75 = 294,986.84 : x
  2. Step 2: Convert to fraction form
    536,698.65/740,648.75 = 294,986.84/x
  3. Step 3: Cross multiply
    536,698.65x = 740,648.75 × 294,986.84
  4. Step 4: Simplify right side
    536,698.65x = 218,481,634,689.14
  5. Step 5: Solve for x
    x = 218,481,634,689.14/536,698.65
  6. Step 6: Final answer
    x = 407,084.38

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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.