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Finding the Fourth Proportional to 554,158.80, 830,891.52 and 234,145.08

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Solution

The fourth proportional to 554,158.80, 830,891.52 and 234,145.08 is: 351,071.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,158.80 : 830,891.52 = 234,145.08 : x
  2. Step 2: Convert to fraction form
    554,158.80/830,891.52 = 234,145.08/x
  3. Step 3: Cross multiply
    554,158.80x = 830,891.52 × 234,145.08
  4. Step 4: Simplify right side
    554,158.80x = 194,549,161,421.72
  5. Step 5: Solve for x
    x = 194,549,161,421.72/554,158.80
  6. Step 6: Final answer
    x = 351,071.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.