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Finding the Fourth Proportional to 623,702.18, 935,668.66 and 197,345.32

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Solution

The fourth proportional to 623,702.18, 935,668.66 and 197,345.32 is: 296,054.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,702.18 : 935,668.66 = 197,345.32 : x
  2. Step 2: Convert to fraction form
    623,702.18/935,668.66 = 197,345.32/x
  3. Step 3: Cross multiply
    623,702.18x = 935,668.66 × 197,345.32
  4. Step 4: Simplify right side
    623,702.18x = 184,649,831,121.67
  5. Step 5: Solve for x
    x = 184,649,831,121.67/623,702.18
  6. Step 6: Final answer
    x = 296,054.49

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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.