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Finding the Fourth Proportional to 707,219.67, 975,962.40 and 384,929.00

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Solution

The fourth proportional to 707,219.67, 975,962.40 and 384,929.00 is: 531,201.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,219.67 : 975,962.40 = 384,929.00 : x
  2. Step 2: Convert to fraction form
    707,219.67/975,962.40 = 384,929.00/x
  3. Step 3: Cross multiply
    707,219.67x = 975,962.40 × 384,929.00
  4. Step 4: Simplify right side
    707,219.67x = 375,676,226,305.05
  5. Step 5: Solve for x
    x = 375,676,226,305.05/707,219.67
  6. Step 6: Final answer
    x = 531,201.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.