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Finding the Fourth Proportional to 454,795.70, 637,647.10 and 454,795.70

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Solution

The fourth proportional to 454,795.70, 637,647.10 and 454,795.70 is: 637,647.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,795.70 : 637,647.10 = 454,795.70 : x
  2. Step 2: Convert to fraction form
    454,795.70/637,647.10 = 454,795.70/x
  3. Step 3: Cross multiply
    454,795.70x = 637,647.10 × 454,795.70
  4. Step 4: Simplify right side
    454,795.70x = 289,999,159,197.47
  5. Step 5: Solve for x
    x = 289,999,159,197.47/454,795.70
  6. Step 6: Final answer
    x = 637,647.10

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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.