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Finding the Fourth Proportional to 534,709.61, 737,899.44 and 292,990.22

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Solution

The fourth proportional to 534,709.61, 737,899.44 and 292,990.22 is: 404,326.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,709.61 : 737,899.44 = 292,990.22 : x
  2. Step 2: Convert to fraction form
    534,709.61/737,899.44 = 292,990.22/x
  3. Step 3: Cross multiply
    534,709.61x = 737,899.44 × 292,990.22
  4. Step 4: Simplify right side
    534,709.61x = 216,197,319,263.48
  5. Step 5: Solve for x
    x = 216,197,319,263.48/534,709.61
  6. Step 6: Final answer
    x = 404,326.60

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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.