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Finding the Fourth Proportional to 553,695.04, 830,560.50 and 174,619.43

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Solution

The fourth proportional to 553,695.04, 830,560.50 and 174,619.43 is: 261,934.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,695.04 : 830,560.50 = 174,619.43 : x
  2. Step 2: Convert to fraction form
    553,695.04/830,560.50 = 174,619.43/x
  3. Step 3: Cross multiply
    553,695.04x = 830,560.50 × 174,619.43
  4. Step 4: Simplify right side
    553,695.04x = 145,032,001,090.52
  5. Step 5: Solve for x
    x = 145,032,001,090.52/553,695.04
  6. Step 6: Final answer
    x = 261,934.80

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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.