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Finding the Fourth Proportional to 554,838.72, 833,627.52 and 355,246.08

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Solution

The fourth proportional to 554,838.72, 833,627.52 and 355,246.08 is: 533,745.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,838.72 : 833,627.52 = 355,246.08 : x
  2. Step 2: Convert to fraction form
    554,838.72/833,627.52 = 355,246.08/x
  3. Step 3: Cross multiply
    554,838.72x = 833,627.52 × 355,246.08
  4. Step 4: Simplify right side
    554,838.72x = 296,142,908,660.12
  5. Step 5: Solve for x
    x = 296,142,908,660.12/554,838.72
  6. Step 6: Final answer
    x = 533,745.93

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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.