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Finding the Fourth Proportional to 661,533.22, 912,924.94 and 495,667.50

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Solution

The fourth proportional to 661,533.22, 912,924.94 and 495,667.50 is: 684,027.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,533.22 : 912,924.94 = 495,667.50 : x
  2. Step 2: Convert to fraction form
    661,533.22/912,924.94 = 495,667.50/x
  3. Step 3: Cross multiply
    661,533.22x = 912,924.94 × 495,667.50
  4. Step 4: Simplify right side
    661,533.22x = 452,507,222,697.45
  5. Step 5: Solve for x
    x = 452,507,222,697.45/661,533.22
  6. Step 6: Final answer
    x = 684,027.97

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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.