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Finding the Fourth Proportional to 616,276.80, 924,674.40 and 335,995.20

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Solution

The fourth proportional to 616,276.80, 924,674.40 and 335,995.20 is: 504,134.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,276.80 : 924,674.40 = 335,995.20 : x
  2. Step 2: Convert to fraction form
    616,276.80/924,674.40 = 335,995.20/x
  3. Step 3: Cross multiply
    616,276.80x = 924,674.40 × 335,995.20
  4. Step 4: Simplify right side
    616,276.80x = 310,686,159,962.88
  5. Step 5: Solve for x
    x = 310,686,159,962.88/616,276.80
  6. Step 6: Final answer
    x = 504,134.12

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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.