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Finding the Fourth Proportional to 358,030.77, 494,315.71 and 222,264.20

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Solution

The fourth proportional to 358,030.77, 494,315.71 and 222,264.20 is: 306,869.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,030.77 : 494,315.71 = 222,264.20 : x
  2. Step 2: Convert to fraction form
    358,030.77/494,315.71 = 222,264.20/x
  3. Step 3: Cross multiply
    358,030.77x = 494,315.71 × 222,264.20
  4. Step 4: Simplify right side
    358,030.77x = 109,868,686,354.43
  5. Step 5: Solve for x
    x = 109,868,686,354.43/358,030.77
  6. Step 6: Final answer
    x = 306,869.40

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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.