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Finding the Fourth Proportional to 519,171.16, 716,437.51 and 325,683.04

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Solution

The fourth proportional to 519,171.16, 716,437.51 and 325,683.04 is: 449,430.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,171.16 : 716,437.51 = 325,683.04 : x
  2. Step 2: Convert to fraction form
    519,171.16/716,437.51 = 325,683.04/x
  3. Step 3: Cross multiply
    519,171.16x = 716,437.51 × 325,683.04
  4. Step 4: Simplify right side
    519,171.16x = 233,331,546,226.83
  5. Step 5: Solve for x
    x = 233,331,546,226.83/519,171.16
  6. Step 6: Final answer
    x = 449,430.87

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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.