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Finding the Fourth Proportional to 369,702.83, 509,727.63 and 308,537.00

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Solution

The fourth proportional to 369,702.83, 509,727.63 and 308,537.00 is: 425,395.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,702.83 : 509,727.63 = 308,537.00 : x
  2. Step 2: Convert to fraction form
    369,702.83/509,727.63 = 308,537.00/x
  3. Step 3: Cross multiply
    369,702.83x = 509,727.63 × 308,537.00
  4. Step 4: Simplify right side
    369,702.83x = 157,269,834,297.16
  5. Step 5: Solve for x
    x = 157,269,834,297.16/369,702.83
  6. Step 6: Final answer
    x = 425,395.26

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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.