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Finding the Fourth Proportional to 437,547, 603,815.10 and 236,343

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Solution

The fourth proportional to 437,547, 603,815.10 and 236,343 is: 326,153.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,547 : 603,815.10 = 236,343 : x
  2. Step 2: Convert to fraction form
    437,547/603,815.10 = 236,343/x
  3. Step 3: Cross multiply
    437,547x = 603,815.10 × 236,343
  4. Step 4: Simplify right side
    437,547x = 142,707,472,179.30
  5. Step 5: Solve for x
    x = 142,707,472,179.30/437,547
  6. Step 6: Final answer
    x = 326,153.47

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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.