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Finding the Fourth Proportional to 489,662.61, 734,051.24 and 174,045.70

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Solution

The fourth proportional to 489,662.61, 734,051.24 and 174,045.70 is: 260,911.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,662.61 : 734,051.24 = 174,045.70 : x
  2. Step 2: Convert to fraction form
    489,662.61/734,051.24 = 174,045.70/x
  3. Step 3: Cross multiply
    489,662.61x = 734,051.24 × 174,045.70
  4. Step 4: Simplify right side
    489,662.61x = 127,758,461,901.67
  5. Step 5: Solve for x
    x = 127,758,461,901.67/489,662.61
  6. Step 6: Final answer
    x = 260,911.21

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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.