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Finding the Fourth Proportional to 530,881.47, 732,590.54 and 301,408.67

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Solution

The fourth proportional to 530,881.47, 732,590.54 and 301,408.67 is: 415,929.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,881.47 : 732,590.54 = 301,408.67 : x
  2. Step 2: Convert to fraction form
    530,881.47/732,590.54 = 301,408.67/x
  3. Step 3: Cross multiply
    530,881.47x = 732,590.54 × 301,408.67
  4. Step 4: Simplify right side
    530,881.47x = 220,809,135,145.99
  5. Step 5: Solve for x
    x = 220,809,135,145.99/530,881.47
  6. Step 6: Final answer
    x = 415,929.26

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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.