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Finding the Fourth Proportional to 433,587.70, 605,623.10 and 433,587.70

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Solution

The fourth proportional to 433,587.70, 605,623.10 and 433,587.70 is: 605,623.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,587.70 : 605,623.10 = 433,587.70 : x
  2. Step 2: Convert to fraction form
    433,587.70/605,623.10 = 433,587.70/x
  3. Step 3: Cross multiply
    433,587.70x = 605,623.10 × 433,587.70
  4. Step 4: Simplify right side
    433,587.70x = 262,590,726,995.87
  5. Step 5: Solve for x
    x = 262,590,726,995.87/433,587.70
  6. Step 6: Final answer
    x = 605,623.10

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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.