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Finding the Fourth Proportional to 529,398.93, 794,032.73 and 313,386.20

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Solution

The fourth proportional to 529,398.93, 794,032.73 and 313,386.20 is: 470,040.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,398.93 : 794,032.73 = 313,386.20 : x
  2. Step 2: Convert to fraction form
    529,398.93/794,032.73 = 313,386.20/x
  3. Step 3: Cross multiply
    529,398.93x = 794,032.73 × 313,386.20
  4. Step 4: Simplify right side
    529,398.93x = 248,838,894,393.23
  5. Step 5: Solve for x
    x = 248,838,894,393.23/529,398.93
  6. Step 6: Final answer
    x = 470,040.42

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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.