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Finding the Fourth Proportional to 539,085.40, 808,628.10 and 184,013.80

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Solution

The fourth proportional to 539,085.40, 808,628.10 and 184,013.80 is: 276,020.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,085.40 : 808,628.10 = 184,013.80 : x
  2. Step 2: Convert to fraction form
    539,085.40/808,628.10 = 184,013.80/x
  3. Step 3: Cross multiply
    539,085.40x = 808,628.10 × 184,013.80
  4. Step 4: Simplify right side
    539,085.40x = 148,798,729,467.78
  5. Step 5: Solve for x
    x = 148,798,729,467.78/539,085.40
  6. Step 6: Final answer
    x = 276,020.70

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Similar ratio
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1.5x scale

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.