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Finding the Fourth Proportional to 970,564.60, 1,455,587.70 and 296,644.60

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Solution

The fourth proportional to 970,564.60, 1,455,587.70 and 296,644.60 is: 444,887.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,564.60 : 1,455,587.70 = 296,644.60 : x
  2. Step 2: Convert to fraction form
    970,564.60/1,455,587.70 = 296,644.60/x
  3. Step 3: Cross multiply
    970,564.60x = 1,455,587.70 × 296,644.60
  4. Step 4: Simplify right side
    970,564.60x = 431,792,231,031.42
  5. Step 5: Solve for x
    x = 431,792,231,031.42/970,564.60
  6. Step 6: Final answer
    x = 444,887.68

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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.