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Finding the Fourth Proportional to 566,888.17, 782,305.64 and 312,239.36

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Solution

The fourth proportional to 566,888.17, 782,305.64 and 312,239.36 is: 430,890.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,888.17 : 782,305.64 = 312,239.36 : x
  2. Step 2: Convert to fraction form
    566,888.17/782,305.64 = 312,239.36/x
  3. Step 3: Cross multiply
    566,888.17x = 782,305.64 × 312,239.36
  4. Step 4: Simplify right side
    566,888.17x = 244,266,611,279.33
  5. Step 5: Solve for x
    x = 244,266,611,279.33/566,888.17
  6. Step 6: Final answer
    x = 430,890.30

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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.