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Finding the Fourth Proportional to 702,001.49, 968,678.75 and 396,060.01

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Solution

The fourth proportional to 702,001.49, 968,678.75 and 396,060.01 is: 546,515.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,001.49 : 968,678.75 = 396,060.01 : x
  2. Step 2: Convert to fraction form
    702,001.49/968,678.75 = 396,060.01/x
  3. Step 3: Cross multiply
    702,001.49x = 968,678.75 × 396,060.01
  4. Step 4: Simplify right side
    702,001.49x = 383,654,913,980.24
  5. Step 5: Solve for x
    x = 383,654,913,980.24/702,001.49
  6. Step 6: Final answer
    x = 546,515.81

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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.