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Finding the Fourth Proportional to 355,494.52, 533,133.34 and 186,923.40

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Solution

The fourth proportional to 355,494.52, 533,133.34 and 186,923.40 is: 280,328.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,494.52 : 533,133.34 = 186,923.40 : x
  2. Step 2: Convert to fraction form
    355,494.52/533,133.34 = 186,923.40/x
  3. Step 3: Cross multiply
    355,494.52x = 533,133.34 × 186,923.40
  4. Step 4: Simplify right side
    355,494.52x = 99,655,095,151.04
  5. Step 5: Solve for x
    x = 99,655,095,151.04/355,494.52
  6. Step 6: Final answer
    x = 280,328.08

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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.