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Finding the Fourth Proportional to 577,501.64, 866,400.08 and 222,420.32

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Solution

The fourth proportional to 577,501.64, 866,400.08 and 222,420.32 is: 333,687.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,501.64 : 866,400.08 = 222,420.32 : x
  2. Step 2: Convert to fraction form
    577,501.64/866,400.08 = 222,420.32/x
  3. Step 3: Cross multiply
    577,501.64x = 866,400.08 × 222,420.32
  4. Step 4: Simplify right side
    577,501.64x = 192,704,983,041.63
  5. Step 5: Solve for x
    x = 192,704,983,041.63/577,501.64
  6. Step 6: Final answer
    x = 333,687.33

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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.