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Finding the Fourth Proportional to 385,878.03, 579,014.48 and 183,702.63

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Solution

The fourth proportional to 385,878.03, 579,014.48 and 183,702.63 is: 275,647.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,878.03 : 579,014.48 = 183,702.63 : x
  2. Step 2: Convert to fraction form
    385,878.03/579,014.48 = 183,702.63/x
  3. Step 3: Cross multiply
    385,878.03x = 579,014.48 × 183,702.63
  4. Step 4: Simplify right side
    385,878.03x = 106,366,484,381.32
  5. Step 5: Solve for x
    x = 106,366,484,381.32/385,878.03
  6. Step 6: Final answer
    x = 275,647.94

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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.