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Finding the Fourth Proportional to 438,045.24, 604,503.30 and 236,841.24

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Solution

The fourth proportional to 438,045.24, 604,503.30 and 236,841.24 is: 326,841.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,045.24 : 604,503.30 = 236,841.24 : x
  2. Step 2: Convert to fraction form
    438,045.24/604,503.30 = 236,841.24/x
  3. Step 3: Cross multiply
    438,045.24x = 604,503.30 × 236,841.24
  4. Step 4: Simplify right side
    438,045.24x = 143,171,311,156.09
  5. Step 5: Solve for x
    x = 143,171,311,156.09/438,045.24
  6. Step 6: Final answer
    x = 326,841.38

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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.