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Finding the Fourth Proportional to 569,374.56, 785,706.21 and 314,710.56

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Solution

The fourth proportional to 569,374.56, 785,706.21 and 314,710.56 is: 434,283.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,374.56 : 785,706.21 = 314,710.56 : x
  2. Step 2: Convert to fraction form
    569,374.56/785,706.21 = 314,710.56/x
  3. Step 3: Cross multiply
    569,374.56x = 785,706.21 × 314,710.56
  4. Step 4: Simplify right side
    569,374.56x = 247,270,041,344.58
  5. Step 5: Solve for x
    x = 247,270,041,344.58/569,374.56
  6. Step 6: Final answer
    x = 434,283.61

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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.