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Finding the Fourth Proportional to 569,073.72, 785,313.90 and 314,421.24

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Solution

The fourth proportional to 569,073.72, 785,313.90 and 314,421.24 is: 433,896.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,073.72 : 785,313.90 = 314,421.24 : x
  2. Step 2: Convert to fraction form
    569,073.72/785,313.90 = 314,421.24/x
  3. Step 3: Cross multiply
    569,073.72x = 785,313.90 × 314,421.24
  4. Step 4: Simplify right side
    569,073.72x = 246,919,370,227.24
  5. Step 5: Solve for x
    x = 246,919,370,227.24/569,073.72
  6. Step 6: Final answer
    x = 433,896.98

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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.