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Finding the Fourth Proportional to 294,937, 442,407.12 and 73,321

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Solution

The fourth proportional to 294,937, 442,407.12 and 73,321 is: 109,981.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,937 : 442,407.12 = 73,321 : x
  2. Step 2: Convert to fraction form
    294,937/442,407.12 = 73,321/x
  3. Step 3: Cross multiply
    294,937x = 442,407.12 × 73,321
  4. Step 4: Simplify right side
    294,937x = 32,437,732,445.52
  5. Step 5: Solve for x
    x = 32,437,732,445.52/294,937
  6. Step 6: Final answer
    x = 109,981.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.