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Finding the Fourth Proportional to 377,404.44, 520,810.74 and 207,641.40

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Solution

The fourth proportional to 377,404.44, 520,810.74 and 207,641.40 is: 286,541.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,404.44 : 520,810.74 = 207,641.40 : x
  2. Step 2: Convert to fraction form
    377,404.44/520,810.74 = 207,641.40/x
  3. Step 3: Cross multiply
    377,404.44x = 520,810.74 × 207,641.40
  4. Step 4: Simplify right side
    377,404.44x = 108,141,871,188.64
  5. Step 5: Solve for x
    x = 108,141,871,188.64/377,404.44
  6. Step 6: Final answer
    x = 286,541.07

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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.