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Finding the Fourth Proportional to 406,186.52, 608,312.72 and 235,047.47

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Solution

The fourth proportional to 406,186.52, 608,312.72 and 235,047.47 is: 352,011.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,186.52 : 608,312.72 = 235,047.47 : x
  2. Step 2: Convert to fraction form
    406,186.52/608,312.72 = 235,047.47/x
  3. Step 3: Cross multiply
    406,186.52x = 608,312.72 × 235,047.47
  4. Step 4: Simplify right side
    406,186.52x = 142,982,362,763.26
  5. Step 5: Solve for x
    x = 142,982,362,763.26/406,186.52
  6. Step 6: Final answer
    x = 352,011.59

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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.