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Finding the Fourth Proportional to 867,475.81, 1,301,264.74 and 334,999.63

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Solution

The fourth proportional to 867,475.81, 1,301,264.74 and 334,999.63 is: 502,519.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,475.81 : 1,301,264.74 = 334,999.63 : x
  2. Step 2: Convert to fraction form
    867,475.81/1,301,264.74 = 334,999.63/x
  3. Step 3: Cross multiply
    867,475.81x = 1,301,264.74 × 334,999.63
  4. Step 4: Simplify right side
    867,475.81x = 435,923,204,757.05
  5. Step 5: Solve for x
    x = 435,923,204,757.05/867,475.81
  6. Step 6: Final answer
    x = 502,519.15

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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.