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Finding the Fourth Proportional to 871,340.84, 1,307,522.84 and 365,862.96

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Solution

The fourth proportional to 871,340.84, 1,307,522.84 and 365,862.96 is: 549,009.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,340.84 : 1,307,522.84 = 365,862.96 : x
  2. Step 2: Convert to fraction form
    871,340.84/1,307,522.84 = 365,862.96/x
  3. Step 3: Cross multiply
    871,340.84x = 1,307,522.84 × 365,862.96
  4. Step 4: Simplify right side
    871,340.84x = 478,374,176,510.01
  5. Step 5: Solve for x
    x = 478,374,176,510.01/871,340.84
  6. Step 6: Final answer
    x = 549,009.24

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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.