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Finding the Fourth Proportional to 684,942.32, 946,124 and 525,764.32

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Solution

The fourth proportional to 684,942.32, 946,124 and 525,764.32 is: 726,248.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,942.32 : 946,124 = 525,764.32 : x
  2. Step 2: Convert to fraction form
    684,942.32/946,124 = 525,764.32/x
  3. Step 3: Cross multiply
    684,942.32x = 946,124 × 525,764.32
  4. Step 4: Simplify right side
    684,942.32x = 497,438,241,495.68
  5. Step 5: Solve for x
    x = 497,438,241,495.68/684,942.32
  6. Step 6: Final answer
    x = 726,248.37

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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.