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Finding the Fourth Proportional to 607,632, 838,603.40 and 366,036.52

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Solution

The fourth proportional to 607,632, 838,603.40 and 366,036.52 is: 505,173.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,632 : 838,603.40 = 366,036.52 : x
  2. Step 2: Convert to fraction form
    607,632/838,603.40 = 366,036.52/x
  3. Step 3: Cross multiply
    607,632x = 838,603.40 × 366,036.52
  4. Step 4: Simplify right side
    607,632x = 306,959,470,196.17
  5. Step 5: Solve for x
    x = 306,959,470,196.17/607,632
  6. Step 6: Final answer
    x = 505,173.31

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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.