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Finding the Fourth Proportional to 616,753.02, 925,479.45 and 243,038.46

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Solution

The fourth proportional to 616,753.02, 925,479.45 and 243,038.46 is: 364,695.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,753.02 : 925,479.45 = 243,038.46 : x
  2. Step 2: Convert to fraction form
    616,753.02/925,479.45 = 243,038.46/x
  3. Step 3: Cross multiply
    616,753.02x = 925,479.45 × 243,038.46
  4. Step 4: Simplify right side
    616,753.02x = 224,927,100,289.65
  5. Step 5: Solve for x
    x = 224,927,100,289.65/616,753.02
  6. Step 6: Final answer
    x = 364,695.58

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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.