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Finding the Fourth Proportional to 892,045.60, 1,337,679.60 and 359,389.60

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Solution

The fourth proportional to 892,045.60, 1,337,679.60 and 359,389.60 is: 538,927.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,045.60 : 1,337,679.60 = 359,389.60 : x
  2. Step 2: Convert to fraction form
    892,045.60/1,337,679.60 = 359,389.60/x
  3. Step 3: Cross multiply
    892,045.60x = 1,337,679.60 × 359,389.60
  4. Step 4: Simplify right side
    892,045.60x = 480,748,136,372.16
  5. Step 5: Solve for x
    x = 480,748,136,372.16/892,045.60
  6. Step 6: Final answer
    x = 538,927.76

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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.