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Finding the Fourth Proportional to 651,743.34, 899,442.80 and 365,281.91

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Solution

The fourth proportional to 651,743.34, 899,442.80 and 365,281.91 is: 504,109.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,743.34 : 899,442.80 = 365,281.91 : x
  2. Step 2: Convert to fraction form
    651,743.34/899,442.80 = 365,281.91/x
  3. Step 3: Cross multiply
    651,743.34x = 899,442.80 × 365,281.91
  4. Step 4: Simplify right side
    651,743.34x = 328,550,183,919.75
  5. Step 5: Solve for x
    x = 328,550,183,919.75/651,743.34
  6. Step 6: Final answer
    x = 504,109.77

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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.