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Finding the Fourth Proportional to 534,307.36, 737,345.40 and 292,605.76

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Solution

The fourth proportional to 534,307.36, 737,345.40 and 292,605.76 is: 403,796.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,307.36 : 737,345.40 = 292,605.76 : x
  2. Step 2: Convert to fraction form
    534,307.36/737,345.40 = 292,605.76/x
  3. Step 3: Cross multiply
    534,307.36x = 737,345.40 × 292,605.76
  4. Step 4: Simplify right side
    534,307.36x = 215,751,511,149.50
  5. Step 5: Solve for x
    x = 215,751,511,149.50/534,307.36
  6. Step 6: Final answer
    x = 403,796.63

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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.