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Finding the Fourth Proportional to 536,330.40, 803,804.40 and 411,050.40

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Solution

The fourth proportional to 536,330.40, 803,804.40 and 411,050.40 is: 616,045.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,330.40 : 803,804.40 = 411,050.40 : x
  2. Step 2: Convert to fraction form
    536,330.40/803,804.40 = 411,050.40/x
  3. Step 3: Cross multiply
    536,330.40x = 803,804.40 × 411,050.40
  4. Step 4: Simplify right side
    536,330.40x = 330,404,120,141.76
  5. Step 5: Solve for x
    x = 330,404,120,141.76/536,330.40
  6. Step 6: Final answer
    x = 616,045.86

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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.