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Finding the Fourth Proportional to 450,794.25, 622,115.51 and 249,590.25

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Solution

The fourth proportional to 450,794.25, 622,115.51 and 249,590.25 is: 344,445.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,794.25 : 622,115.51 = 249,590.25 : x
  2. Step 2: Convert to fraction form
    450,794.25/622,115.51 = 249,590.25/x
  3. Step 3: Cross multiply
    450,794.25x = 622,115.51 × 249,590.25
  4. Step 4: Simplify right side
    450,794.25x = 155,273,964,421.83
  5. Step 5: Solve for x
    x = 155,273,964,421.83/450,794.25
  6. Step 6: Final answer
    x = 344,445.31

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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.