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Finding the Fourth Proportional to 346,688.36, 519,607.20 and 197,054

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Solution

The fourth proportional to 346,688.36, 519,607.20 and 197,054 is: 295,339.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,688.36 : 519,607.20 = 197,054 : x
  2. Step 2: Convert to fraction form
    346,688.36/519,607.20 = 197,054/x
  3. Step 3: Cross multiply
    346,688.36x = 519,607.20 × 197,054
  4. Step 4: Simplify right side
    346,688.36x = 102,390,677,188.80
  5. Step 5: Solve for x
    x = 102,390,677,188.80/346,688.36
  6. Step 6: Final answer
    x = 295,339.24

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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.