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Finding the Fourth Proportional to 469,386.61, 703,798.74 and 149,400.26

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Solution

The fourth proportional to 469,386.61, 703,798.74 and 149,400.26 is: 224,010.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,386.61 : 703,798.74 = 149,400.26 : x
  2. Step 2: Convert to fraction form
    469,386.61/703,798.74 = 149,400.26/x
  3. Step 3: Cross multiply
    469,386.61x = 703,798.74 × 149,400.26
  4. Step 4: Simplify right side
    469,386.61x = 105,147,714,743.67
  5. Step 5: Solve for x
    x = 105,147,714,743.67/469,386.61
  6. Step 6: Final answer
    x = 224,010.90

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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.