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Finding the Fourth Proportional to 554,713.52, 765,503.16 and 300,068.24

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Solution

The fourth proportional to 554,713.52, 765,503.16 and 300,068.24 is: 414,093.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,713.52 : 765,503.16 = 300,068.24 : x
  2. Step 2: Convert to fraction form
    554,713.52/765,503.16 = 300,068.24/x
  3. Step 3: Cross multiply
    554,713.52x = 765,503.16 × 300,068.24
  4. Step 4: Simplify right side
    554,713.52x = 229,703,185,935.64
  5. Step 5: Solve for x
    x = 229,703,185,935.64/554,713.52
  6. Step 6: Final answer
    x = 414,093.36

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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.