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Finding the Fourth Proportional to 403,570.58, 556,931.16 and 222,283.17

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Solution

The fourth proportional to 403,570.58, 556,931.16 and 222,283.17 is: 306,752.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,570.58 : 556,931.16 = 222,283.17 : x
  2. Step 2: Convert to fraction form
    403,570.58/556,931.16 = 222,283.17/x
  3. Step 3: Cross multiply
    403,570.58x = 556,931.16 × 222,283.17
  4. Step 4: Simplify right side
    403,570.58x = 123,796,423,716.58
  5. Step 5: Solve for x
    x = 123,796,423,716.58/403,570.58
  6. Step 6: Final answer
    x = 306,752.85

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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.