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Finding the Fourth Proportional to 648,909.68, 895,485.84 and 362,433.74

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Solution

The fourth proportional to 648,909.68, 895,485.84 and 362,433.74 is: 500,153.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,909.68 : 895,485.84 = 362,433.74 : x
  2. Step 2: Convert to fraction form
    648,909.68/895,485.84 = 362,433.74/x
  3. Step 3: Cross multiply
    648,909.68x = 895,485.84 × 362,433.74
  4. Step 4: Simplify right side
    648,909.68x = 324,554,282,108.24
  5. Step 5: Solve for x
    x = 324,554,282,108.24/648,909.68
  6. Step 6: Final answer
    x = 500,153.24

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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.