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Finding the Fourth Proportional to 577,603.42, 796,848.60 and 386,678.32

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Solution

The fourth proportional to 577,603.42, 796,848.60 and 386,678.32 is: 533,452.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,603.42 : 796,848.60 = 386,678.32 : x
  2. Step 2: Convert to fraction form
    577,603.42/796,848.60 = 386,678.32/x
  3. Step 3: Cross multiply
    577,603.42x = 796,848.60 × 386,678.32
  4. Step 4: Simplify right side
    577,603.42x = 308,124,077,942.35
  5. Step 5: Solve for x
    x = 308,124,077,942.35/577,603.42
  6. Step 6: Final answer
    x = 533,452.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.