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Finding the Fourth Proportional to 437,535, 603,798.54 and 236,331

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Solution

The fourth proportional to 437,535, 603,798.54 and 236,331 is: 326,136.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,535 : 603,798.54 = 236,331 : x
  2. Step 2: Convert to fraction form
    437,535/603,798.54 = 236,331/x
  3. Step 3: Cross multiply
    437,535x = 603,798.54 × 236,331
  4. Step 4: Simplify right side
    437,535x = 142,696,312,756.74
  5. Step 5: Solve for x
    x = 142,696,312,756.74/437,535
  6. Step 6: Final answer
    x = 326,136.91

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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.