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Finding the Fourth Proportional to 571,311.36, 856,673.28 and 335,119.68

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Solution

The fourth proportional to 571,311.36, 856,673.28 and 335,119.68 is: 502,507.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,311.36 : 856,673.28 = 335,119.68 : x
  2. Step 2: Convert to fraction form
    571,311.36/856,673.28 = 335,119.68/x
  3. Step 3: Cross multiply
    571,311.36x = 856,673.28 × 335,119.68
  4. Step 4: Simplify right side
    571,311.36x = 287,088,075,458.15
  5. Step 5: Solve for x
    x = 287,088,075,458.15/571,311.36
  6. Step 6: Final answer
    x = 502,507.21

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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.