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Finding the Fourth Proportional to 416,299.48, 624,840.83 and 393,547.16

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Solution

The fourth proportional to 416,299.48, 624,840.83 and 393,547.16 is: 590,690.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,299.48 : 624,840.83 = 393,547.16 : x
  2. Step 2: Convert to fraction form
    416,299.48/624,840.83 = 393,547.16/x
  3. Step 3: Cross multiply
    416,299.48x = 624,840.83 × 393,547.16
  4. Step 4: Simplify right side
    416,299.48x = 245,904,334,098.54
  5. Step 5: Solve for x
    x = 245,904,334,098.54/416,299.48
  6. Step 6: Final answer
    x = 590,690.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.