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Finding the Fourth Proportional to 569,656.28, 786,110.10 and 314,998.76

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Solution

The fourth proportional to 569,656.28, 786,110.10 and 314,998.76 is: 434,689.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,656.28 : 786,110.10 = 314,998.76 : x
  2. Step 2: Convert to fraction form
    569,656.28/786,110.10 = 314,998.76/x
  3. Step 3: Cross multiply
    569,656.28x = 786,110.10 × 314,998.76
  4. Step 4: Simplify right side
    569,656.28x = 247,623,702,792.93
  5. Step 5: Solve for x
    x = 247,623,702,792.93/569,656.28
  6. Step 6: Final answer
    x = 434,689.68

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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.