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Finding the Fourth Proportional to 707,044.66, 975,742.16 and 384,775.54

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Solution

The fourth proportional to 707,044.66, 975,742.16 and 384,775.54 is: 531,001.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,044.66 : 975,742.16 = 384,775.54 : x
  2. Step 2: Convert to fraction form
    707,044.66/975,742.16 = 384,775.54/x
  3. Step 3: Cross multiply
    707,044.66x = 975,742.16 × 384,775.54
  4. Step 4: Simplify right side
    707,044.66x = 375,441,716,514.77
  5. Step 5: Solve for x
    x = 375,441,716,514.77/707,044.66
  6. Step 6: Final answer
    x = 531,001.42

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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.