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Finding the Fourth Proportional to 436,415.88, 602,244.45 and 252,662.19

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Solution

The fourth proportional to 436,415.88, 602,244.45 and 252,662.19 is: 348,668.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,415.88 : 602,244.45 = 252,662.19 : x
  2. Step 2: Convert to fraction form
    436,415.88/602,244.45 = 252,662.19/x
  3. Step 3: Cross multiply
    436,415.88x = 602,244.45 × 252,662.19
  4. Step 4: Simplify right side
    436,415.88x = 152,164,399,393.93
  5. Step 5: Solve for x
    x = 152,164,399,393.93/436,415.88
  6. Step 6: Final answer
    x = 348,668.34

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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.