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Finding the Fourth Proportional to 536,792.40, 740,782.72 and 295,085.16

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Solution

The fourth proportional to 536,792.40, 740,782.72 and 295,085.16 is: 407,222.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,792.40 : 740,782.72 = 295,085.16 : x
  2. Step 2: Convert to fraction form
    536,792.40/740,782.72 = 295,085.16/x
  3. Step 3: Cross multiply
    536,792.40x = 740,782.72 × 295,085.16
  4. Step 4: Simplify right side
    536,792.40x = 218,593,987,456.44
  5. Step 5: Solve for x
    x = 218,593,987,456.44/536,792.40
  6. Step 6: Final answer
    x = 407,222.58

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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.