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Finding the Fourth Proportional to 530,626.80, 732,228.06 and 301,188.84

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Solution

The fourth proportional to 530,626.80, 732,228.06 and 301,188.84 is: 415,619.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,626.80 : 732,228.06 = 301,188.84 : x
  2. Step 2: Convert to fraction form
    530,626.80/732,228.06 = 301,188.84/x
  3. Step 3: Cross multiply
    530,626.80x = 732,228.06 × 301,188.84
  4. Step 4: Simplify right side
    530,626.80x = 220,538,920,006.85
  5. Step 5: Solve for x
    x = 220,538,920,006.85/530,626.80
  6. Step 6: Final answer
    x = 415,619.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.