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Finding the Fourth Proportional to 506,675.20, 699,152.16 and 291,824.32

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Solution

The fourth proportional to 506,675.20, 699,152.16 and 291,824.32 is: 402,683.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,675.20 : 699,152.16 = 291,824.32 : x
  2. Step 2: Convert to fraction form
    506,675.20/699,152.16 = 291,824.32/x
  3. Step 3: Cross multiply
    506,675.20x = 699,152.16 × 291,824.32
  4. Step 4: Simplify right side
    506,675.20x = 204,029,603,668.53
  5. Step 5: Solve for x
    x = 204,029,603,668.53/506,675.20
  6. Step 6: Final answer
    x = 402,683.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.