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Finding the Fourth Proportional to 554,714.62, 765,263.04 and 325,155.54

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Solution

The fourth proportional to 554,714.62, 765,263.04 and 325,155.54 is: 448,572.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,714.62 : 765,263.04 = 325,155.54 : x
  2. Step 2: Convert to fraction form
    554,714.62/765,263.04 = 325,155.54/x
  3. Step 3: Cross multiply
    554,714.62x = 765,263.04 × 325,155.54
  4. Step 4: Simplify right side
    554,714.62x = 248,829,517,013.24
  5. Step 5: Solve for x
    x = 248,829,517,013.24/554,714.62
  6. Step 6: Final answer
    x = 448,572.13

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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.