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Finding the Fourth Proportional to 531,702.90, 797,705.01 and 216,386.10

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Solution

The fourth proportional to 531,702.90, 797,705.01 and 216,386.10 is: 324,640.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,702.90 : 797,705.01 = 216,386.10 : x
  2. Step 2: Convert to fraction form
    531,702.90/797,705.01 = 216,386.10/x
  3. Step 3: Cross multiply
    531,702.90x = 797,705.01 × 216,386.10
  4. Step 4: Simplify right side
    531,702.90x = 172,612,276,064.36
  5. Step 5: Solve for x
    x = 172,612,276,064.36/531,702.90
  6. Step 6: Final answer
    x = 324,640.46

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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.