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Finding the Fourth Proportional to 648,873.84, 895,315.86 and 362,349.84

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Solution

The fourth proportional to 648,873.84, 895,315.86 and 362,349.84 is: 499,970.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,873.84 : 895,315.86 = 362,349.84 : x
  2. Step 2: Convert to fraction form
    648,873.84/895,315.86 = 362,349.84/x
  3. Step 3: Cross multiply
    648,873.84x = 895,315.86 × 362,349.84
  4. Step 4: Simplify right side
    648,873.84x = 324,417,558,620.46
  5. Step 5: Solve for x
    x = 324,417,558,620.46/648,873.84
  6. Step 6: Final answer
    x = 499,970.16

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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.