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Finding the Fourth Proportional to 379,330.02, 564,970.14 and 377,496.70

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Solution

The fourth proportional to 379,330.02, 564,970.14 and 377,496.70 is: 562,239.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,330.02 : 564,970.14 = 377,496.70 : x
  2. Step 2: Convert to fraction form
    379,330.02/564,970.14 = 377,496.70/x
  3. Step 3: Cross multiply
    379,330.02x = 564,970.14 × 377,496.70
  4. Step 4: Simplify right side
    379,330.02x = 213,274,362,036.11
  5. Step 5: Solve for x
    x = 213,274,362,036.11/379,330.02
  6. Step 6: Final answer
    x = 562,239.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.