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Finding the Fourth Proportional to 528,626.58, 793,022.50 and 173,559.84

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Solution

The fourth proportional to 528,626.58, 793,022.50 and 173,559.84 is: 260,366.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,626.58 : 793,022.50 = 173,559.84 : x
  2. Step 2: Convert to fraction form
    528,626.58/793,022.50 = 173,559.84/x
  3. Step 3: Cross multiply
    528,626.58x = 793,022.50 × 173,559.84
  4. Step 4: Simplify right side
    528,626.58x = 137,636,858,216.40
  5. Step 5: Solve for x
    x = 137,636,858,216.40/528,626.58
  6. Step 6: Final answer
    x = 260,366.89

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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.