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Finding the Fourth Proportional to 554,700.24, 765,482.76 and 300,045.96

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Solution

The fourth proportional to 554,700.24, 765,482.76 and 300,045.96 is: 414,061.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,700.24 : 765,482.76 = 300,045.96 : x
  2. Step 2: Convert to fraction form
    554,700.24/765,482.76 = 300,045.96/x
  3. Step 3: Cross multiply
    554,700.24x = 765,482.76 × 300,045.96
  4. Step 4: Simplify right side
    554,700.24x = 229,680,009,587.65
  5. Step 5: Solve for x
    x = 229,680,009,587.65/554,700.24
  6. Step 6: Final answer
    x = 414,061.49

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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.