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Finding the Fourth Proportional to 437,465, 603,701.70 and 236,261

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Solution

The fourth proportional to 437,465, 603,701.70 and 236,261 is: 326,040.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,465 : 603,701.70 = 236,261 : x
  2. Step 2: Convert to fraction form
    437,465/603,701.70 = 236,261/x
  3. Step 3: Cross multiply
    437,465x = 603,701.70 × 236,261
  4. Step 4: Simplify right side
    437,465x = 142,631,167,343.70
  5. Step 5: Solve for x
    x = 142,631,167,343.70/437,465
  6. Step 6: Final answer
    x = 326,040.18

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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.