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Finding the Fourth Proportional to 404,572.32, 607,033.44 and 155,196

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Solution

The fourth proportional to 404,572.32, 607,033.44 and 155,196 is: 232,861.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,572.32 : 607,033.44 = 155,196 : x
  2. Step 2: Convert to fraction form
    404,572.32/607,033.44 = 155,196/x
  3. Step 3: Cross multiply
    404,572.32x = 607,033.44 × 155,196
  4. Step 4: Simplify right side
    404,572.32x = 94,209,161,754.24
  5. Step 5: Solve for x
    x = 94,209,161,754.24/404,572.32
  6. Step 6: Final answer
    x = 232,861.12

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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.