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Finding the Fourth Proportional to 569,477.24, 785,840.10 and 314,793.80

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Solution

The fourth proportional to 569,477.24, 785,840.10 and 314,793.80 is: 434,394.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,477.24 : 785,840.10 = 314,793.80 : x
  2. Step 2: Convert to fraction form
    569,477.24/785,840.10 = 314,793.80/x
  3. Step 3: Cross multiply
    569,477.24x = 785,840.10 × 314,793.80
  4. Step 4: Simplify right side
    569,477.24x = 247,377,591,271.38
  5. Step 5: Solve for x
    x = 247,377,591,271.38/569,477.24
  6. Step 6: Final answer
    x = 434,394.17

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Double scale
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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.