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Finding the Fourth Proportional to 384,495.84, 526,750.47 and 370,120.32

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Solution

The fourth proportional to 384,495.84, 526,750.47 and 370,120.32 is: 507,056.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,495.84 : 526,750.47 = 370,120.32 : x
  2. Step 2: Convert to fraction form
    384,495.84/526,750.47 = 370,120.32/x
  3. Step 3: Cross multiply
    384,495.84x = 526,750.47 × 370,120.32
  4. Step 4: Simplify right side
    384,495.84x = 194,961,052,516.55
  5. Step 5: Solve for x
    x = 194,961,052,516.55/384,495.84
  6. Step 6: Final answer
    x = 507,056.34

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.