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Finding the Fourth Proportional to 304,140.96, 456,276.65 and 90,925.56

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Solution

The fourth proportional to 304,140.96, 456,276.65 and 90,925.56 is: 136,407.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,140.96 : 456,276.65 = 90,925.56 : x
  2. Step 2: Convert to fraction form
    304,140.96/456,276.65 = 90,925.56/x
  3. Step 3: Cross multiply
    304,140.96x = 456,276.65 × 90,925.56
  4. Step 4: Simplify right side
    304,140.96x = 41,487,209,461.55
  5. Step 5: Solve for x
    x = 41,487,209,461.55/304,140.96
  6. Step 6: Final answer
    x = 136,407.83

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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.