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Finding the Fourth Proportional to 374,577.93, 560,429.19 and 214,730.51

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Solution

The fourth proportional to 374,577.93, 560,429.19 and 214,730.51 is: 321,271.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,577.93 : 560,429.19 = 214,730.51 : x
  2. Step 2: Convert to fraction form
    374,577.93/560,429.19 = 214,730.51/x
  3. Step 3: Cross multiply
    374,577.93x = 560,429.19 × 214,730.51
  4. Step 4: Simplify right side
    374,577.93x = 120,341,242,985.44
  5. Step 5: Solve for x
    x = 120,341,242,985.44/374,577.93
  6. Step 6: Final answer
    x = 321,271.58

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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.