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Finding the Fourth Proportional to 970,394.77, 1,455,391.68 and 260,254

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Solution

The fourth proportional to 970,394.77, 1,455,391.68 and 260,254 is: 390,327.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,394.77 : 1,455,391.68 = 260,254 : x
  2. Step 2: Convert to fraction form
    970,394.77/1,455,391.68 = 260,254/x
  3. Step 3: Cross multiply
    970,394.77x = 1,455,391.68 × 260,254
  4. Step 4: Simplify right side
    970,394.77x = 378,771,506,286.72
  5. Step 5: Solve for x
    x = 378,771,506,286.72/970,394.77
  6. Step 6: Final answer
    x = 390,327.23

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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.