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Finding the Fourth Proportional to 437,688.80, 604,010.40 and 236,484.80

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Solution

The fourth proportional to 437,688.80, 604,010.40 and 236,484.80 is: 326,348.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,688.80 : 604,010.40 = 236,484.80 : x
  2. Step 2: Convert to fraction form
    437,688.80/604,010.40 = 236,484.80/x
  3. Step 3: Cross multiply
    437,688.80x = 604,010.40 × 236,484.80
  4. Step 4: Simplify right side
    437,688.80x = 142,839,278,641.92
  5. Step 5: Solve for x
    x = 142,839,278,641.92/437,688.80
  6. Step 6: Final answer
    x = 326,348.95

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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.