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Finding the Fourth Proportional to 602,165.34, 903,399.84 and 425,018.34

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Solution

The fourth proportional to 602,165.34, 903,399.84 and 425,018.34 is: 637,634.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,165.34 : 903,399.84 = 425,018.34 : x
  2. Step 2: Convert to fraction form
    602,165.34/903,399.84 = 425,018.34/x
  3. Step 3: Cross multiply
    602,165.34x = 903,399.84 × 425,018.34
  4. Step 4: Simplify right side
    602,165.34x = 383,961,500,353.07
  5. Step 5: Solve for x
    x = 383,961,500,353.07/602,165.34
  6. Step 6: Final answer
    x = 637,634.67

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1.5x scale

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.