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Finding the Fourth Proportional to 724,490.58, 999,800.51 and 452,716.32

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Solution

The fourth proportional to 724,490.58, 999,800.51 and 452,716.32 is: 624,750.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,490.58 : 999,800.51 = 452,716.32 : x
  2. Step 2: Convert to fraction form
    724,490.58/999,800.51 = 452,716.32/x
  3. Step 3: Cross multiply
    724,490.58x = 999,800.51 × 452,716.32
  4. Step 4: Simplify right side
    724,490.58x = 452,626,005,357.74
  5. Step 5: Solve for x
    x = 452,626,005,357.74/724,490.58
  6. Step 6: Final answer
    x = 624,750.71

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Double scale
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Similar ratio
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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.