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Finding the Fourth Proportional to 415,292.90, 573,109.54 and 245,525.54

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Solution

The fourth proportional to 415,292.90, 573,109.54 and 245,525.54 is: 338,828.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,292.90 : 573,109.54 = 245,525.54 : x
  2. Step 2: Convert to fraction form
    415,292.90/573,109.54 = 245,525.54/x
  3. Step 3: Cross multiply
    415,292.90x = 573,109.54 × 245,525.54
  4. Step 4: Simplify right side
    415,292.90x = 140,713,029,287.65
  5. Step 5: Solve for x
    x = 140,713,029,287.65/415,292.90
  6. Step 6: Final answer
    x = 338,828.40

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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.