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Finding the Fourth Proportional to 530,792.90, 732,486.74 and 301,348.34

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Solution

The fourth proportional to 530,792.90, 732,486.74 and 301,348.34 is: 415,856.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,792.90 : 732,486.74 = 301,348.34 : x
  2. Step 2: Convert to fraction form
    530,792.90/732,486.74 = 301,348.34/x
  3. Step 3: Cross multiply
    530,792.90x = 732,486.74 × 301,348.34
  4. Step 4: Simplify right side
    530,792.90x = 220,733,663,171.01
  5. Step 5: Solve for x
    x = 220,733,663,171.01/530,792.90
  6. Step 6: Final answer
    x = 415,856.47

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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.