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Finding the Fourth Proportional to 569,155.44, 785,403.66 and 314,490.22

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Solution

The fourth proportional to 569,155.44, 785,403.66 and 314,490.22 is: 433,979.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,155.44 : 785,403.66 = 314,490.22 : x
  2. Step 2: Convert to fraction form
    569,155.44/785,403.66 = 314,490.22/x
  3. Step 3: Cross multiply
    569,155.44x = 785,403.66 × 314,490.22
  4. Step 4: Simplify right side
    569,155.44x = 247,001,769,822.21
  5. Step 5: Solve for x
    x = 247,001,769,822.21/569,155.44
  6. Step 6: Final answer
    x = 433,979.46

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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.