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Finding the Fourth Proportional to 489,095.90, 733,643.85 and 489,095.90

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Solution

The fourth proportional to 489,095.90, 733,643.85 and 489,095.90 is: 733,643.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,095.90 : 733,643.85 = 489,095.90 : x
  2. Step 2: Convert to fraction form
    489,095.90/733,643.85 = 489,095.90/x
  3. Step 3: Cross multiply
    489,095.90x = 733,643.85 × 489,095.90
  4. Step 4: Simplify right side
    489,095.90x = 358,822,199,095.22
  5. Step 5: Solve for x
    x = 358,822,199,095.22/489,095.90
  6. Step 6: Final answer
    x = 733,643.85

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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.