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Finding the Fourth Proportional to 658,388.84, 908,573.80 and 368,000.02

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Solution

The fourth proportional to 658,388.84, 908,573.80 and 368,000.02 is: 507,838.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,388.84 : 908,573.80 = 368,000.02 : x
  2. Step 2: Convert to fraction form
    658,388.84/908,573.80 = 368,000.02/x
  3. Step 3: Cross multiply
    658,388.84x = 908,573.80 × 368,000.02
  4. Step 4: Simplify right side
    658,388.84x = 334,355,170,188.61
  5. Step 5: Solve for x
    x = 334,355,170,188.61/658,388.84
  6. Step 6: Final answer
    x = 507,838.45

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Why These Related Problems?

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