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Finding the Fourth Proportional to 374,744.88, 562,118.28 and 153,128.88

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Solution

The fourth proportional to 374,744.88, 562,118.28 and 153,128.88 is: 229,693.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,744.88 : 562,118.28 = 153,128.88 : x
  2. Step 2: Convert to fraction form
    374,744.88/562,118.28 = 153,128.88/x
  3. Step 3: Cross multiply
    374,744.88x = 562,118.28 × 153,128.88
  4. Step 4: Simplify right side
    374,744.88x = 86,076,542,643.93
  5. Step 5: Solve for x
    x = 86,076,542,643.93/374,744.88
  6. Step 6: Final answer
    x = 229,693.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.