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Finding the Fourth Proportional to 826,527.30, 1,237,458.15 and 826,527.30

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Solution

The fourth proportional to 826,527.30, 1,237,458.15 and 826,527.30 is: 1,237,458.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,527.30 : 1,237,458.15 = 826,527.30 : x
  2. Step 2: Convert to fraction form
    826,527.30/1,237,458.15 = 826,527.30/x
  3. Step 3: Cross multiply
    826,527.30x = 1,237,458.15 × 826,527.30
  4. Step 4: Simplify right side
    826,527.30x = 1,022,792,943,582.50
  5. Step 5: Solve for x
    x = 1,022,792,943,582.50/826,527.30
  6. Step 6: Final answer
    x = 1,237,458.15

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.