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Finding the Fourth Proportional to 296,718.94, 445,148.43 and 97,038.55

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Solution

The fourth proportional to 296,718.94, 445,148.43 and 97,038.55 is: 145,580.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,718.94 : 445,148.43 = 97,038.55 : x
  2. Step 2: Convert to fraction form
    296,718.94/445,148.43 = 97,038.55/x
  3. Step 3: Cross multiply
    296,718.94x = 445,148.43 × 97,038.55
  4. Step 4: Simplify right side
    296,718.94x = 43,196,558,181.98
  5. Step 5: Solve for x
    x = 43,196,558,181.98/296,718.94
  6. Step 6: Final answer
    x = 145,580.72

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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.