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Finding the Fourth Proportional to 608,465.69, 910,830.16 and 382,769.37

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Solution

The fourth proportional to 608,465.69, 910,830.16 and 382,769.37 is: 572,978.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,465.69 : 910,830.16 = 382,769.37 : x
  2. Step 2: Convert to fraction form
    608,465.69/910,830.16 = 382,769.37/x
  3. Step 3: Cross multiply
    608,465.69x = 910,830.16 × 382,769.37
  4. Step 4: Simplify right side
    608,465.69x = 348,637,886,520.20
  5. Step 5: Solve for x
    x = 348,637,886,520.20/608,465.69
  6. Step 6: Final answer
    x = 572,978.71

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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.