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Finding the Fourth Proportional to 364,089.20, 547,300.20 and 259,631.60

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Solution

The fourth proportional to 364,089.20, 547,300.20 and 259,631.60 is: 390,279.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,089.20 : 547,300.20 = 259,631.60 : x
  2. Step 2: Convert to fraction form
    364,089.20/547,300.20 = 259,631.60/x
  3. Step 3: Cross multiply
    364,089.20x = 547,300.20 × 259,631.60
  4. Step 4: Simplify right side
    364,089.20x = 142,096,426,606.32
  5. Step 5: Solve for x
    x = 142,096,426,606.32/364,089.20
  6. Step 6: Final answer
    x = 390,279.16

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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.