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Finding the Fourth Proportional to 867,291.30, 1,302,426 and 532,299.06

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Solution

The fourth proportional to 867,291.30, 1,302,426 and 532,299.06 is: 799,362.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,291.30 : 1,302,426 = 532,299.06 : x
  2. Step 2: Convert to fraction form
    867,291.30/1,302,426 = 532,299.06/x
  3. Step 3: Cross multiply
    867,291.30x = 1,302,426 × 532,299.06
  4. Step 4: Simplify right side
    867,291.30x = 693,280,135,519.56
  5. Step 5: Solve for x
    x = 693,280,135,519.56/867,291.30
  6. Step 6: Final answer
    x = 799,362.49

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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.