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Finding the Fourth Proportional to 473,072.80, 708,442.80 and 314,442.40

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Solution

The fourth proportional to 473,072.80, 708,442.80 and 314,442.40 is: 470,888.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,072.80 : 708,442.80 = 314,442.40 : x
  2. Step 2: Convert to fraction form
    473,072.80/708,442.80 = 314,442.40/x
  3. Step 3: Cross multiply
    473,072.80x = 708,442.80 × 314,442.40
  4. Step 4: Simplify right side
    473,072.80x = 222,764,454,294.72
  5. Step 5: Solve for x
    x = 222,764,454,294.72/473,072.80
  6. Step 6: Final answer
    x = 470,888.32

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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.