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Finding the Fourth Proportional to 401,366.34, 553,886.33 and 222,518.34

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Solution

The fourth proportional to 401,366.34, 553,886.33 and 222,518.34 is: 307,075.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,366.34 : 553,886.33 = 222,518.34 : x
  2. Step 2: Convert to fraction form
    401,366.34/553,886.33 = 222,518.34/x
  3. Step 3: Cross multiply
    401,366.34x = 553,886.33 × 222,518.34
  4. Step 4: Simplify right side
    401,366.34x = 123,249,866,700.29
  5. Step 5: Solve for x
    x = 123,249,866,700.29/401,366.34
  6. Step 6: Final answer
    x = 307,075.74

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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.