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Finding the Fourth Proportional to 539,064.90, 808,360.52 and 201,869.06

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Solution

The fourth proportional to 539,064.90, 808,360.52 and 201,869.06 is: 302,714.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,064.90 : 808,360.52 = 201,869.06 : x
  2. Step 2: Convert to fraction form
    539,064.90/808,360.52 = 201,869.06/x
  3. Step 3: Cross multiply
    539,064.90x = 808,360.52 × 201,869.06
  4. Step 4: Simplify right side
    539,064.90x = 163,182,973,262.36
  5. Step 5: Solve for x
    x = 163,182,973,262.36/539,064.90
  6. Step 6: Final answer
    x = 302,714.89

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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.