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Finding the Fourth Proportional to 526,800.60, 727,017.66 and 297,396.72

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Solution

The fourth proportional to 526,800.60, 727,017.66 and 297,396.72 is: 410,426.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,800.60 : 727,017.66 = 297,396.72 : x
  2. Step 2: Convert to fraction form
    526,800.60/727,017.66 = 297,396.72/x
  3. Step 3: Cross multiply
    526,800.60x = 727,017.66 × 297,396.72
  4. Step 4: Simplify right side
    526,800.60x = 216,212,667,466.08
  5. Step 5: Solve for x
    x = 216,212,667,466.08/526,800.60
  6. Step 6: Final answer
    x = 410,426.01

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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.