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Finding the Fourth Proportional to 307,957.60, 461,590.80 and 174,901.60

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Solution

The fourth proportional to 307,957.60, 461,590.80 and 174,901.60 is: 262,156.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,957.60 : 461,590.80 = 174,901.60 : x
  2. Step 2: Convert to fraction form
    307,957.60/461,590.80 = 174,901.60/x
  3. Step 3: Cross multiply
    307,957.60x = 461,590.80 × 174,901.60
  4. Step 4: Simplify right side
    307,957.60x = 80,732,969,465.28
  5. Step 5: Solve for x
    x = 80,732,969,465.28/307,957.60
  6. Step 6: Final answer
    x = 262,156.12

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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.