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Finding the Fourth Proportional to 553,747.84, 830,814.40 and 174,727.04

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Solution

The fourth proportional to 553,747.84, 830,814.40 and 174,727.04 is: 262,151.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,747.84 : 830,814.40 = 174,727.04 : x
  2. Step 2: Convert to fraction form
    553,747.84/830,814.40 = 174,727.04/x
  3. Step 3: Cross multiply
    553,747.84x = 830,814.40 × 174,727.04
  4. Step 4: Simplify right side
    553,747.84x = 145,165,740,901.38
  5. Step 5: Solve for x
    x = 145,165,740,901.38/553,747.84
  6. Step 6: Final answer
    x = 262,151.34

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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.