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Finding the Fourth Proportional to 437,985, 604,420.74 and 236,782.44

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Solution

The fourth proportional to 437,985, 604,420.74 and 236,782.44 is: 326,760.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,985 : 604,420.74 = 236,782.44 : x
  2. Step 2: Convert to fraction form
    437,985/604,420.74 = 236,782.44/x
  3. Step 3: Cross multiply
    437,985x = 604,420.74 × 236,782.44
  4. Step 4: Simplify right side
    437,985x = 143,116,217,603.81
  5. Step 5: Solve for x
    x = 143,116,217,603.81/437,985
  6. Step 6: Final answer
    x = 326,760.55

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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.