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Finding the Fourth Proportional to 461,011.43, 636,203.63 and 254,303.55

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Solution

The fourth proportional to 461,011.43, 636,203.63 and 254,303.55 is: 350,943.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,011.43 : 636,203.63 = 254,303.55 : x
  2. Step 2: Convert to fraction form
    461,011.43/636,203.63 = 254,303.55/x
  3. Step 3: Cross multiply
    461,011.43x = 636,203.63 × 254,303.55
  4. Step 4: Simplify right side
    461,011.43x = 161,788,842,267.65
  5. Step 5: Solve for x
    x = 161,788,842,267.65/461,011.43
  6. Step 6: Final answer
    x = 350,943.23

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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.