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Finding the Fourth Proportional to 649,751.44, 896,627.32 and 359,365.63

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Solution

The fourth proportional to 649,751.44, 896,627.32 and 359,365.63 is: 495,908.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,751.44 : 896,627.32 = 359,365.63 : x
  2. Step 2: Convert to fraction form
    649,751.44/896,627.32 = 359,365.63/x
  3. Step 3: Cross multiply
    649,751.44x = 896,627.32 × 359,365.63
  4. Step 4: Simplify right side
    649,751.44x = 322,217,038,587.03
  5. Step 5: Solve for x
    x = 322,217,038,587.03/649,751.44
  6. Step 6: Final answer
    x = 495,908.16

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Similar ratio
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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.