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Finding the Fourth Proportional to 475,697.79, 712,147.01 and 317,533.95

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Solution

The fourth proportional to 475,697.79, 712,147.01 and 317,533.95 is: 475,366.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,697.79 : 712,147.01 = 317,533.95 : x
  2. Step 2: Convert to fraction form
    475,697.79/712,147.01 = 317,533.95/x
  3. Step 3: Cross multiply
    475,697.79x = 712,147.01 × 317,533.95
  4. Step 4: Simplify right side
    475,697.79x = 226,130,851,478.32
  5. Step 5: Solve for x
    x = 226,130,851,478.32/475,697.79
  6. Step 6: Final answer
    x = 475,366.62

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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.