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Finding the Fourth Proportional to 437,987.25, 604,423.22 and 236,783.25

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Solution

The fourth proportional to 437,987.25, 604,423.22 and 236,783.25 is: 326,761.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,987.25 : 604,423.22 = 236,783.25 : x
  2. Step 2: Convert to fraction form
    437,987.25/604,423.22 = 236,783.25/x
  3. Step 3: Cross multiply
    437,987.25x = 604,423.22 × 236,783.25
  4. Step 4: Simplify right side
    437,987.25x = 143,117,293,223.15
  5. Step 5: Solve for x
    x = 143,117,293,223.15/437,987.25
  6. Step 6: Final answer
    x = 326,761.32

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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.