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Finding the Fourth Proportional to 683,013.49, 942,553.51 and 377,089.81

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Solution

The fourth proportional to 683,013.49, 942,553.51 and 377,089.81 is: 520,381.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,013.49 : 942,553.51 = 377,089.81 : x
  2. Step 2: Convert to fraction form
    683,013.49/942,553.51 = 377,089.81/x
  3. Step 3: Cross multiply
    683,013.49x = 942,553.51 × 377,089.81
  4. Step 4: Simplify right side
    683,013.49x = 355,427,320,701.63
  5. Step 5: Solve for x
    x = 355,427,320,701.63/683,013.49
  6. Step 6: Final answer
    x = 520,381.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.