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Finding the Fourth Proportional to 603,640.10, 905,460.15 and 603,640.10

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Solution

The fourth proportional to 603,640.10, 905,460.15 and 603,640.10 is: 905,460.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,640.10 : 905,460.15 = 603,640.10 : x
  2. Step 2: Convert to fraction form
    603,640.10/905,460.15 = 603,640.10/x
  3. Step 3: Cross multiply
    603,640.10x = 905,460.15 × 603,640.10
  4. Step 4: Simplify right side
    603,640.10x = 546,572,055,492.02
  5. Step 5: Solve for x
    x = 546,572,055,492.02/603,640.10
  6. Step 6: Final answer
    x = 905,460.15

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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.