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Finding the Fourth Proportional to 403,570.62, 556,931.23 and 222,283.21

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Solution

The fourth proportional to 403,570.62, 556,931.23 and 222,283.21 is: 306,752.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,570.62 : 556,931.23 = 222,283.21 : x
  2. Step 2: Convert to fraction form
    403,570.62/556,931.23 = 222,283.21/x
  3. Step 3: Cross multiply
    403,570.62x = 556,931.23 × 222,283.21
  4. Step 4: Simplify right side
    403,570.62x = 123,796,459,605.61
  5. Step 5: Solve for x
    x = 123,796,459,605.61/403,570.62
  6. Step 6: Final answer
    x = 306,752.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.