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Finding the Fourth Proportional to 364,276.79, 546,084.40 and 127,490.30

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Solution

The fourth proportional to 364,276.79, 546,084.40 and 127,490.30 is: 191,119.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,276.79 : 546,084.40 = 127,490.30 : x
  2. Step 2: Convert to fraction form
    364,276.79/546,084.40 = 127,490.30/x
  3. Step 3: Cross multiply
    364,276.79x = 546,084.40 × 127,490.30
  4. Step 4: Simplify right side
    364,276.79x = 69,620,463,981.32
  5. Step 5: Solve for x
    x = 69,620,463,981.32/364,276.79
  6. Step 6: Final answer
    x = 191,119.68

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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.