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Finding the Fourth Proportional to 452,509.91, 624,395.99 and 258,886.86

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Solution

The fourth proportional to 452,509.91, 624,395.99 and 258,886.86 is: 357,225.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,509.91 : 624,395.99 = 258,886.86 : x
  2. Step 2: Convert to fraction form
    452,509.91/624,395.99 = 258,886.86/x
  3. Step 3: Cross multiply
    452,509.91x = 624,395.99 × 258,886.86
  4. Step 4: Simplify right side
    452,509.91x = 161,647,919,943.71
  5. Step 5: Solve for x
    x = 161,647,919,943.71/452,509.91
  6. Step 6: Final answer
    x = 357,225.15

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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.