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Finding the Fourth Proportional to 286,060.01, 430,803.03 and 260,522.08

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Solution

The fourth proportional to 286,060.01, 430,803.03 and 260,522.08 is: 392,343.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,060.01 : 430,803.03 = 260,522.08 : x
  2. Step 2: Convert to fraction form
    286,060.01/430,803.03 = 260,522.08/x
  3. Step 3: Cross multiply
    286,060.01x = 430,803.03 × 260,522.08
  4. Step 4: Simplify right side
    286,060.01x = 112,233,704,466.53
  5. Step 5: Solve for x
    x = 112,233,704,466.53/286,060.01
  6. Step 6: Final answer
    x = 392,343.22

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.