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Finding the Fourth Proportional to 648,828.52, 895,374.50 and 362,353.64

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Solution

The fourth proportional to 648,828.52, 895,374.50 and 362,353.64 is: 500,043.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,828.52 : 895,374.50 = 362,353.64 : x
  2. Step 2: Convert to fraction form
    648,828.52/895,374.50 = 362,353.64/x
  3. Step 3: Cross multiply
    648,828.52x = 895,374.50 × 362,353.64
  4. Step 4: Simplify right side
    648,828.52x = 324,442,209,238.18
  5. Step 5: Solve for x
    x = 324,442,209,238.18/648,828.52
  6. Step 6: Final answer
    x = 500,043.08

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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.