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Finding the Fourth Proportional to 595,155.36, 821,433.64 and 353,572.16

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Solution

The fourth proportional to 595,155.36, 821,433.64 and 353,572.16 is: 488,000.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,155.36 : 821,433.64 = 353,572.16 : x
  2. Step 2: Convert to fraction form
    595,155.36/821,433.64 = 353,572.16/x
  3. Step 3: Cross multiply
    595,155.36x = 821,433.64 × 353,572.16
  4. Step 4: Simplify right side
    595,155.36x = 290,436,066,391.46
  5. Step 5: Solve for x
    x = 290,436,066,391.46/595,155.36
  6. Step 6: Final answer
    x = 488,000.42

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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.