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Finding the Fourth Proportional to 608,071.80, 910,926.54 and 292,749.96

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Solution

The fourth proportional to 608,071.80, 910,926.54 and 292,749.96 is: 438,556.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,071.80 : 910,926.54 = 292,749.96 : x
  2. Step 2: Convert to fraction form
    608,071.80/910,926.54 = 292,749.96/x
  3. Step 3: Cross multiply
    608,071.80x = 910,926.54 × 292,749.96
  4. Step 4: Simplify right side
    608,071.80x = 266,673,708,147.94
  5. Step 5: Solve for x
    x = 266,673,708,147.94/608,071.80
  6. Step 6: Final answer
    x = 438,556.28

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1.5x scale

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.