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Finding the Fourth Proportional to 613,590.68, 920,448.99 and 234,830.02

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Solution

The fourth proportional to 613,590.68, 920,448.99 and 234,830.02 is: 352,269.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,590.68 : 920,448.99 = 234,830.02 : x
  2. Step 2: Convert to fraction form
    613,590.68/920,448.99 = 234,830.02/x
  3. Step 3: Cross multiply
    613,590.68x = 920,448.99 × 234,830.02
  4. Step 4: Simplify right side
    613,590.68x = 216,149,054,730.68
  5. Step 5: Solve for x
    x = 216,149,054,730.68/613,590.68
  6. Step 6: Final answer
    x = 352,269.13

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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.