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Finding the Fourth Proportional to 649,361.53, 896,116.31 and 362,881.54

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Solution

The fourth proportional to 649,361.53, 896,116.31 and 362,881.54 is: 500,775.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,361.53 : 896,116.31 = 362,881.54 : x
  2. Step 2: Convert to fraction form
    649,361.53/896,116.31 = 362,881.54/x
  3. Step 3: Cross multiply
    649,361.53x = 896,116.31 × 362,881.54
  4. Step 4: Simplify right side
    649,361.53x = 325,184,062,111.34
  5. Step 5: Solve for x
    x = 325,184,062,111.34/649,361.53
  6. Step 6: Final answer
    x = 500,775.07

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Double scale
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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.