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Finding the Fourth Proportional to 304,095.96, 456,208.32 and 90,880.48

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Solution

The fourth proportional to 304,095.96, 456,208.32 and 90,880.48 is: 136,339.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,095.96 : 456,208.32 = 90,880.48 : x
  2. Step 2: Convert to fraction form
    304,095.96/456,208.32 = 90,880.48/x
  3. Step 3: Cross multiply
    304,095.96x = 456,208.32 × 90,880.48
  4. Step 4: Simplify right side
    304,095.96x = 41,460,431,101.59
  5. Step 5: Solve for x
    x = 41,460,431,101.59/304,095.96
  6. Step 6: Final answer
    x = 136,339.96

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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.