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Finding the Fourth Proportional to 368,036.04, 507,877.98 and 206,897.88

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Solution

The fourth proportional to 368,036.04, 507,877.98 and 206,897.88 is: 285,512.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,036.04 : 507,877.98 = 206,897.88 : x
  2. Step 2: Convert to fraction form
    368,036.04/507,877.98 = 206,897.88/x
  3. Step 3: Cross multiply
    368,036.04x = 507,877.98 × 206,897.88
  4. Step 4: Simplify right side
    368,036.04x = 105,078,877,360.68
  5. Step 5: Solve for x
    x = 105,078,877,360.68/368,036.04
  6. Step 6: Final answer
    x = 285,512.47

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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.