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Finding the Fourth Proportional to 826,502.40, 1,154,741.40 and 826,502.40

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Solution

The fourth proportional to 826,502.40, 1,154,741.40 and 826,502.40 is: 1,154,741.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,502.40 : 1,154,741.40 = 826,502.40 : x
  2. Step 2: Convert to fraction form
    826,502.40/1,154,741.40 = 826,502.40/x
  3. Step 3: Cross multiply
    826,502.40x = 1,154,741.40 × 826,502.40
  4. Step 4: Simplify right side
    826,502.40x = 954,396,538,479.36
  5. Step 5: Solve for x
    x = 954,396,538,479.36/826,502.40
  6. Step 6: Final answer
    x = 1,154,741.40

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.