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Finding the Fourth Proportional to 534,339.96, 737,262.64 and 316,438.60

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Solution

The fourth proportional to 534,339.96, 737,262.64 and 316,438.60 is: 436,610.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,339.96 : 737,262.64 = 316,438.60 : x
  2. Step 2: Convert to fraction form
    534,339.96/737,262.64 = 316,438.60/x
  3. Step 3: Cross multiply
    534,339.96x = 737,262.64 × 316,438.60
  4. Step 4: Simplify right side
    534,339.96x = 233,298,357,633.90
  5. Step 5: Solve for x
    x = 233,298,357,633.90/534,339.96
  6. Step 6: Final answer
    x = 436,610.35

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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.