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Finding the Fourth Proportional to 450,836.64, 622,146.96 and 249,628.32

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Solution

The fourth proportional to 450,836.64, 622,146.96 and 249,628.32 is: 344,482.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,836.64 : 622,146.96 = 249,628.32 : x
  2. Step 2: Convert to fraction form
    450,836.64/622,146.96 = 249,628.32/x
  3. Step 3: Cross multiply
    450,836.64x = 622,146.96 × 249,628.32
  4. Step 4: Simplify right side
    450,836.64x = 155,305,500,417.91
  5. Step 5: Solve for x
    x = 155,305,500,417.91/450,836.64
  6. Step 6: Final answer
    x = 344,482.87

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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.