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Finding the Fourth Proportional to 957,650, 1,321,560.96 and 527,920.64

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Solution

The fourth proportional to 957,650, 1,321,560.96 and 527,920.64 is: 728,532.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,650 : 1,321,560.96 = 527,920.64 : x
  2. Step 2: Convert to fraction form
    957,650/1,321,560.96 = 527,920.64/x
  3. Step 3: Cross multiply
    957,650x = 1,321,560.96 × 527,920.64
  4. Step 4: Simplify right side
    957,650x = 697,679,307,802.21
  5. Step 5: Solve for x
    x = 697,679,307,802.21/957,650
  6. Step 6: Final answer
    x = 728,532.67

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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.