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Finding the Fourth Proportional to 545,841.62, 814,924.40 and 417,084.06

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Solution

The fourth proportional to 545,841.62, 814,924.40 and 417,084.06 is: 622,693.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,841.62 : 814,924.40 = 417,084.06 : x
  2. Step 2: Convert to fraction form
    545,841.62/814,924.40 = 417,084.06/x
  3. Step 3: Cross multiply
    545,841.62x = 814,924.40 × 417,084.06
  4. Step 4: Simplify right side
    545,841.62x = 339,891,977,345.06
  5. Step 5: Solve for x
    x = 339,891,977,345.06/545,841.62
  6. Step 6: Final answer
    x = 622,693.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.