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Finding the Fourth Proportional to 374,988.96, 562,420.80 and 164,570.40

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Solution

The fourth proportional to 374,988.96, 562,420.80 and 164,570.40 is: 246,828.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,988.96 : 562,420.80 = 164,570.40 : x
  2. Step 2: Convert to fraction form
    374,988.96/562,420.80 = 164,570.40/x
  3. Step 3: Cross multiply
    374,988.96x = 562,420.80 × 164,570.40
  4. Step 4: Simplify right side
    374,988.96x = 92,557,816,024.32
  5. Step 5: Solve for x
    x = 92,557,816,024.32/374,988.96
  6. Step 6: Final answer
    x = 246,828.11

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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.