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Finding the Fourth Proportional to 507,806.20, 700,747.95 and 293,015.62

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Solution

The fourth proportional to 507,806.20, 700,747.95 and 293,015.62 is: 404,347.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,806.20 : 700,747.95 = 293,015.62 : x
  2. Step 2: Convert to fraction form
    507,806.20/700,747.95 = 293,015.62/x
  3. Step 3: Cross multiply
    507,806.20x = 700,747.95 × 293,015.62
  4. Step 4: Simplify right side
    507,806.20x = 205,330,095,032.98
  5. Step 5: Solve for x
    x = 205,330,095,032.98/507,806.20
  6. Step 6: Final answer
    x = 404,347.36

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1.5x scale

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.