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Finding the Fourth Proportional to 692,276.08, 955,428.60 and 401,825.56

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Solution

The fourth proportional to 692,276.08, 955,428.60 and 401,825.56 is: 554,570.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,276.08 : 955,428.60 = 401,825.56 : x
  2. Step 2: Convert to fraction form
    692,276.08/955,428.60 = 401,825.56/x
  3. Step 3: Cross multiply
    692,276.08x = 955,428.60 × 401,825.56
  4. Step 4: Simplify right side
    692,276.08x = 383,915,632,235.02
  5. Step 5: Solve for x
    x = 383,915,632,235.02/692,276.08
  6. Step 6: Final answer
    x = 554,570.13

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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.