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Finding the Fourth Proportional to 648,802.32, 895,360.62 and 362,322.66

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Solution

The fourth proportional to 648,802.32, 895,360.62 and 362,322.66 is: 500,012.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,802.32 : 895,360.62 = 362,322.66 : x
  2. Step 2: Convert to fraction form
    648,802.32/895,360.62 = 362,322.66/x
  3. Step 3: Cross multiply
    648,802.32x = 895,360.62 × 362,322.66
  4. Step 4: Simplify right side
    648,802.32x = 324,409,441,497.65
  5. Step 5: Solve for x
    x = 324,409,441,497.65/648,802.32
  6. Step 6: Final answer
    x = 500,012.76

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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.