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Finding the Fourth Proportional to 522,887.52, 721,420.23 and 293,411.07

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Solution

The fourth proportional to 522,887.52, 721,420.23 and 293,411.07 is: 404,814.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,887.52 : 721,420.23 = 293,411.07 : x
  2. Step 2: Convert to fraction form
    522,887.52/721,420.23 = 293,411.07/x
  3. Step 3: Cross multiply
    522,887.52x = 721,420.23 × 293,411.07
  4. Step 4: Simplify right side
    522,887.52x = 211,672,681,603.95
  5. Step 5: Solve for x
    x = 211,672,681,603.95/522,887.52
  6. Step 6: Final answer
    x = 404,814.94

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1.5x scale

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.