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Finding the Fourth Proportional to 606,972.40, 910,458.60 and 292,044.40

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Solution

The fourth proportional to 606,972.40, 910,458.60 and 292,044.40 is: 438,066.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,972.40 : 910,458.60 = 292,044.40 : x
  2. Step 2: Convert to fraction form
    606,972.40/910,458.60 = 292,044.40/x
  3. Step 3: Cross multiply
    606,972.40x = 910,458.60 × 292,044.40
  4. Step 4: Simplify right side
    606,972.40x = 265,894,335,561.84
  5. Step 5: Solve for x
    x = 265,894,335,561.84/606,972.40
  6. Step 6: Final answer
    x = 438,066.60

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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.