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Finding the Fourth Proportional to 355,833.61, 535,030.72 and 328,093.04

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Solution

The fourth proportional to 355,833.61, 535,030.72 and 328,093.04 is: 493,320.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,833.61 : 535,030.72 = 328,093.04 : x
  2. Step 2: Convert to fraction form
    355,833.61/535,030.72 = 328,093.04/x
  3. Step 3: Cross multiply
    355,833.61x = 535,030.72 × 328,093.04
  4. Step 4: Simplify right side
    355,833.61x = 175,539,853,563.27
  5. Step 5: Solve for x
    x = 175,539,853,563.27/355,833.61
  6. Step 6: Final answer
    x = 493,320.05

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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.