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Finding the Fourth Proportional to 375,903,454.50, 564,408,688.77 and 210,231,548.46

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Solution

The fourth proportional to 375,903,454.50, 564,408,688.77 and 210,231,548.46 is: 315,656,882.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,903,454.50 : 564,408,688.77 = 210,231,548.46 : x
  2. Step 2: Convert to fraction form
    375,903,454.50/564,408,688.77 = 210,231,548.46/x
  3. Step 3: Cross multiply
    375,903,454.50x = 564,408,688.77 × 210,231,548.46
  4. Step 4: Simplify right side
    375,903,454.50x = 118,656,512,604,395,312
  5. Step 5: Solve for x
    x = 118,656,512,604,395,312/375,903,454.50
  6. Step 6: Final answer
    x = 315,656,882.60

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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.