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Finding the Fourth Proportional to 507,774.62, 700,702.95 and 292,901.87

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Solution

The fourth proportional to 507,774.62, 700,702.95 and 292,901.87 is: 404,189.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,774.62 : 700,702.95 = 292,901.87 : x
  2. Step 2: Convert to fraction form
    507,774.62/700,702.95 = 292,901.87/x
  3. Step 3: Cross multiply
    507,774.62x = 700,702.95 × 292,901.87
  4. Step 4: Simplify right side
    507,774.62x = 205,237,207,219.66
  5. Step 5: Solve for x
    x = 205,237,207,219.66/507,774.62
  6. Step 6: Final answer
    x = 404,189.57

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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.