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Finding the Fourth Proportional to 411,309.60, 616,089.60 and 341,325.60

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Solution

The fourth proportional to 411,309.60, 616,089.60 and 341,325.60 is: 511,262.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,309.60 : 616,089.60 = 341,325.60 : x
  2. Step 2: Convert to fraction form
    411,309.60/616,089.60 = 341,325.60/x
  3. Step 3: Cross multiply
    411,309.60x = 616,089.60 × 341,325.60
  4. Step 4: Simplify right side
    411,309.60x = 210,287,152,373.76
  5. Step 5: Solve for x
    x = 210,287,152,373.76/411,309.60
  6. Step 6: Final answer
    x = 511,262.45

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1.5x scale

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.