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Finding the Fourth Proportional to 355,270.10, 532,905.15 and 355,270.10

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Solution

The fourth proportional to 355,270.10, 532,905.15 and 355,270.10 is: 532,905.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,270.10 : 532,905.15 = 355,270.10 : x
  2. Step 2: Convert to fraction form
    355,270.10/532,905.15 = 355,270.10/x
  3. Step 3: Cross multiply
    355,270.10x = 532,905.15 × 355,270.10
  4. Step 4: Simplify right side
    355,270.10x = 189,325,265,931.02
  5. Step 5: Solve for x
    x = 189,325,265,931.02/355,270.10
  6. Step 6: Final answer
    x = 532,905.15

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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.