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Finding the Fourth Proportional to 555,678.60, 833,196.06 and 489,252.12

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Solution

The fourth proportional to 555,678.60, 833,196.06 and 489,252.12 is: 733,594.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,678.60 : 833,196.06 = 489,252.12 : x
  2. Step 2: Convert to fraction form
    555,678.60/833,196.06 = 489,252.12/x
  3. Step 3: Cross multiply
    555,678.60x = 833,196.06 × 489,252.12
  4. Step 4: Simplify right side
    555,678.60x = 407,642,938,730.65
  5. Step 5: Solve for x
    x = 407,642,938,730.65/555,678.60
  6. Step 6: Final answer
    x = 733,594.81

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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.