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Finding the Fourth Proportional to 566,892.84, 782,312.08 and 312,244.03

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Solution

The fourth proportional to 566,892.84, 782,312.08 and 312,244.03 is: 430,896.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,892.84 : 782,312.08 = 312,244.03 : x
  2. Step 2: Convert to fraction form
    566,892.84/782,312.08 = 312,244.03/x
  3. Step 3: Cross multiply
    566,892.84x = 782,312.08 × 312,244.03
  4. Step 4: Simplify right side
    566,892.84x = 244,272,275,015.66
  5. Step 5: Solve for x
    x = 244,272,275,015.66/566,892.84
  6. Step 6: Final answer
    x = 430,896.74

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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.