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Finding the Fourth Proportional to 569,518.72, 785,866.56 and 314,834.56

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Solution

The fourth proportional to 569,518.72, 785,866.56 and 314,834.56 is: 434,433.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,518.72 : 785,866.56 = 314,834.56 : x
  2. Step 2: Convert to fraction form
    569,518.72/785,866.56 = 314,834.56/x
  3. Step 3: Cross multiply
    569,518.72x = 785,866.56 × 314,834.56
  4. Step 4: Simplify right side
    569,518.72x = 247,417,952,636.31
  5. Step 5: Solve for x
    x = 247,417,952,636.31/569,518.72
  6. Step 6: Final answer
    x = 434,433.40

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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.