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Finding the Fourth Proportional to 539,062.90, 808,666.35 and 183,987.70

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Solution

The fourth proportional to 539,062.90, 808,666.35 and 183,987.70 is: 276,006.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,062.90 : 808,666.35 = 183,987.70 : x
  2. Step 2: Convert to fraction form
    539,062.90/808,666.35 = 183,987.70/x
  3. Step 3: Cross multiply
    539,062.90x = 808,666.35 × 183,987.70
  4. Step 4: Simplify right side
    539,062.90x = 148,784,661,803.90
  5. Step 5: Solve for x
    x = 148,784,661,803.90/539,062.90
  6. Step 6: Final answer
    x = 276,006.12

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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.