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Finding the Fourth Proportional to 411,510.60, 576,508.50 and 411,510.60

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Solution

The fourth proportional to 411,510.60, 576,508.50 and 411,510.60 is: 576,508.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,510.60 : 576,508.50 = 411,510.60 : x
  2. Step 2: Convert to fraction form
    411,510.60/576,508.50 = 411,510.60/x
  3. Step 3: Cross multiply
    411,510.60x = 576,508.50 × 411,510.60
  4. Step 4: Simplify right side
    411,510.60x = 237,239,358,740.10
  5. Step 5: Solve for x
    x = 237,239,358,740.10/411,510.60
  6. Step 6: Final answer
    x = 576,508.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.