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Finding the Fourth Proportional to 871,372.08, 1,307,569.50 and 365,894.01

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Solution

The fourth proportional to 871,372.08, 1,307,569.50 and 365,894.01 is: 549,055.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,372.08 : 1,307,569.50 = 365,894.01 : x
  2. Step 2: Convert to fraction form
    871,372.08/1,307,569.50 = 365,894.01/x
  3. Step 3: Cross multiply
    871,372.08x = 1,307,569.50 × 365,894.01
  4. Step 4: Simplify right side
    871,372.08x = 478,431,847,708.70
  5. Step 5: Solve for x
    x = 478,431,847,708.70/871,372.08
  6. Step 6: Final answer
    x = 549,055.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.