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Finding the Fourth Proportional to 437,698.63, 604,070.54 and 256,562.74

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Solution

The fourth proportional to 437,698.63, 604,070.54 and 256,562.74 is: 354,083.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,698.63 : 604,070.54 = 256,562.74 : x
  2. Step 2: Convert to fraction form
    437,698.63/604,070.54 = 256,562.74/x
  3. Step 3: Cross multiply
    437,698.63x = 604,070.54 × 256,562.74
  4. Step 4: Simplify right side
    437,698.63x = 154,981,992,254.27
  5. Step 5: Solve for x
    x = 154,981,992,254.27/437,698.63
  6. Step 6: Final answer
    x = 354,083.80

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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.