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Finding the Fourth Proportional to 569,277.16, 785,555.22 and 314,628.28

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Solution

The fourth proportional to 569,277.16, 785,555.22 and 314,628.28 is: 434,160.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,277.16 : 785,555.22 = 314,628.28 : x
  2. Step 2: Convert to fraction form
    569,277.16/785,555.22 = 314,628.28/x
  3. Step 3: Cross multiply
    569,277.16x = 785,555.22 × 314,628.28
  4. Step 4: Simplify right side
    569,277.16x = 247,157,887,713.62
  5. Step 5: Solve for x
    x = 247,157,887,713.62/569,277.16
  6. Step 6: Final answer
    x = 434,160.91

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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.