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Finding the Fourth Proportional to 671,626.10, 941,520.70 and 671,626.10

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Solution

The fourth proportional to 671,626.10, 941,520.70 and 671,626.10 is: 941,520.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,626.10 : 941,520.70 = 671,626.10 : x
  2. Step 2: Convert to fraction form
    671,626.10/941,520.70 = 671,626.10/x
  3. Step 3: Cross multiply
    671,626.10x = 941,520.70 × 671,626.10
  4. Step 4: Simplify right side
    671,626.10x = 632,349,875,810.27
  5. Step 5: Solve for x
    x = 632,349,875,810.27/671,626.10
  6. Step 6: Final answer
    x = 941,520.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.