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Finding the Fourth Proportional to 367,045.43, 549,386.55 and 189,307.94

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Solution

The fourth proportional to 367,045.43, 549,386.55 and 189,307.94 is: 283,352.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,045.43 : 549,386.55 = 189,307.94 : x
  2. Step 2: Convert to fraction form
    367,045.43/549,386.55 = 189,307.94/x
  3. Step 3: Cross multiply
    367,045.43x = 549,386.55 × 189,307.94
  4. Step 4: Simplify right side
    367,045.43x = 104,003,233,297.27
  5. Step 5: Solve for x
    x = 104,003,233,297.27/367,045.43
  6. Step 6: Final answer
    x = 283,352.49

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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.