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Finding the Fourth Proportional to 354,000.85, 530,804.43 and 117,214.36

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Solution

The fourth proportional to 354,000.85, 530,804.43 and 117,214.36 is: 175,756.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,000.85 : 530,804.43 = 117,214.36 : x
  2. Step 2: Convert to fraction form
    354,000.85/530,804.43 = 117,214.36/x
  3. Step 3: Cross multiply
    354,000.85x = 530,804.43 × 117,214.36
  4. Step 4: Simplify right side
    354,000.85x = 62,217,900,220.60
  5. Step 5: Solve for x
    x = 62,217,900,220.60/354,000.85
  6. Step 6: Final answer
    x = 175,756.36

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1.5x scale

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.