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Finding the Fourth Proportional to 607,112.28, 910,509.64 and 180,533.28

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Solution

The fourth proportional to 607,112.28, 910,509.64 and 180,533.28 is: 270,752.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,112.28 : 910,509.64 = 180,533.28 : x
  2. Step 2: Convert to fraction form
    607,112.28/910,509.64 = 180,533.28/x
  3. Step 3: Cross multiply
    607,112.28x = 910,509.64 × 180,533.28
  4. Step 4: Simplify right side
    607,112.28x = 164,377,291,780.82
  5. Step 5: Solve for x
    x = 164,377,291,780.82/607,112.28
  6. Step 6: Final answer
    x = 270,752.70

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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.