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Finding the Fourth Proportional to 590,929.71, 886,671.38 and 291,246.92

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Solution

The fourth proportional to 590,929.71, 886,671.38 and 291,246.92 is: 437,006.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,929.71 : 886,671.38 = 291,246.92 : x
  2. Step 2: Convert to fraction form
    590,929.71/886,671.38 = 291,246.92/x
  3. Step 3: Cross multiply
    590,929.71x = 886,671.38 × 291,246.92
  4. Step 4: Simplify right side
    590,929.71x = 258,240,308,477.15
  5. Step 5: Solve for x
    x = 258,240,308,477.15/590,929.71
  6. Step 6: Final answer
    x = 437,006.81

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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.