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Finding the Fourth Proportional to 450,838.64, 622,149.72 and 249,630.32

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Solution

The fourth proportional to 450,838.64, 622,149.72 and 249,630.32 is: 344,485.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,838.64 : 622,149.72 = 249,630.32 : x
  2. Step 2: Convert to fraction form
    450,838.64/622,149.72 = 249,630.32/x
  3. Step 3: Cross multiply
    450,838.64x = 622,149.72 × 249,630.32
  4. Step 4: Simplify right side
    450,838.64x = 155,307,433,691.51
  5. Step 5: Solve for x
    x = 155,307,433,691.51/450,838.64
  6. Step 6: Final answer
    x = 344,485.63

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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.