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Finding the Fourth Proportional to 569,652.40, 786,104.76 and 314,994.88

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Solution

The fourth proportional to 569,652.40, 786,104.76 and 314,994.88 is: 434,684.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,652.40 : 786,104.76 = 314,994.88 : x
  2. Step 2: Convert to fraction form
    569,652.40/786,104.76 = 314,994.88/x
  3. Step 3: Cross multiply
    569,652.40x = 786,104.76 × 314,994.88
  4. Step 4: Simplify right side
    569,652.40x = 247,618,974,543.63
  5. Step 5: Solve for x
    x = 247,618,974,543.63/569,652.40
  6. Step 6: Final answer
    x = 434,684.33

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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.