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Finding the Fourth Proportional to 304,534.40, 456,801.60 and 248,547.20

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Solution

The fourth proportional to 304,534.40, 456,801.60 and 248,547.20 is: 372,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,534.40 : 456,801.60 = 248,547.20 : x
  2. Step 2: Convert to fraction form
    304,534.40/456,801.60 = 248,547.20/x
  3. Step 3: Cross multiply
    304,534.40x = 456,801.60 × 248,547.20
  4. Step 4: Simplify right side
    304,534.40x = 113,536,758,635.52
  5. Step 5: Solve for x
    x = 113,536,758,635.52/304,534.40
  6. Step 6: Final answer
    x = 372,820.80

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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.