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Finding the Fourth Proportional to 602,170.56, 903,407.72 and 425,023.56

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Solution

The fourth proportional to 602,170.56, 903,407.72 and 425,023.56 is: 637,642.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,170.56 : 903,407.72 = 425,023.56 : x
  2. Step 2: Convert to fraction form
    602,170.56/903,407.72 = 425,023.56/x
  3. Step 3: Cross multiply
    602,170.56x = 903,407.72 × 425,023.56
  4. Step 4: Simplify right side
    602,170.56x = 383,969,563,160.77
  5. Step 5: Solve for x
    x = 383,969,563,160.77/602,170.56
  6. Step 6: Final answer
    x = 637,642.54

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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.