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Finding the Fourth Proportional to 1,178,702.84, 1,767,266.82 and 368,813

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Solution

The fourth proportional to 1,178,702.84, 1,767,266.82 and 368,813 is: 552,973.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,702.84 : 1,767,266.82 = 368,813 : x
  2. Step 2: Convert to fraction form
    1,178,702.84/1,767,266.82 = 368,813/x
  3. Step 3: Cross multiply
    1,178,702.84x = 1,767,266.82 × 368,813
  4. Step 4: Simplify right side
    1,178,702.84x = 651,790,977,684.66
  5. Step 5: Solve for x
    x = 651,790,977,684.66/1,178,702.84
  6. Step 6: Final answer
    x = 552,973.11

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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.