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Finding the Fourth Proportional to 533,885.58, 736,690.95 and 307,487.34

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Solution

The fourth proportional to 533,885.58, 736,690.95 and 307,487.34 is: 424,291.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,885.58 : 736,690.95 = 307,487.34 : x
  2. Step 2: Convert to fraction form
    533,885.58/736,690.95 = 307,487.34/x
  3. Step 3: Cross multiply
    533,885.58x = 736,690.95 × 307,487.34
  4. Step 4: Simplify right side
    533,885.58x = 226,523,140,617.57
  5. Step 5: Solve for x
    x = 226,523,140,617.57/533,885.58
  6. Step 6: Final answer
    x = 424,291.55

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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.