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Finding the Fourth Proportional to 602,425,688.70, 903,638,533.05 and 602,425,688.70

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Solution

The fourth proportional to 602,425,688.70, 903,638,533.05 and 602,425,688.70 is: 903,638,533.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,425,688.70 : 903,638,533.05 = 602,425,688.70 : x
  2. Step 2: Convert to fraction form
    602,425,688.70/903,638,533.05 = 602,425,688.70/x
  3. Step 3: Cross multiply
    602,425,688.70x = 903,638,533.05 × 602,425,688.70
  4. Step 4: Simplify right side
    602,425,688.70x = 544,375,065,608,504,000
  5. Step 5: Solve for x
    x = 544,375,065,608,504,000/602,425,688.70
  6. Step 6: Final answer
    x = 903,638,533.05

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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.