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Finding the Fourth Proportional to 569,318.35, 785,150.48 and 472,368.73

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Solution

The fourth proportional to 569,318.35, 785,150.48 and 472,368.73 is: 651,446.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,318.35 : 785,150.48 = 472,368.73 : x
  2. Step 2: Convert to fraction form
    569,318.35/785,150.48 = 472,368.73/x
  3. Step 3: Cross multiply
    569,318.35x = 785,150.48 × 472,368.73
  4. Step 4: Simplify right side
    569,318.35x = 370,880,533,520.60
  5. Step 5: Solve for x
    x = 370,880,533,520.60/569,318.35
  6. Step 6: Final answer
    x = 651,446.66

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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.