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Finding the Fourth Proportional to 553,610.00, 830,119.74 and 286,708.52

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Solution

The fourth proportional to 553,610.00, 830,119.74 and 286,708.52 is: 429,909.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,610.00 : 830,119.74 = 286,708.52 : x
  2. Step 2: Convert to fraction form
    553,610.00/830,119.74 = 286,708.52/x
  3. Step 3: Cross multiply
    553,610.00x = 830,119.74 × 286,708.52
  4. Step 4: Simplify right side
    553,610.00x = 238,002,397,927.59
  5. Step 5: Solve for x
    x = 238,002,397,927.59/553,610.00
  6. Step 6: Final answer
    x = 429,909.86

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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.