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Finding the Fourth Proportional to 506,375.28, 698,241.45 and 325,018.71

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Solution

The fourth proportional to 506,375.28, 698,241.45 and 325,018.71 is: 448,168.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,375.28 : 698,241.45 = 325,018.71 : x
  2. Step 2: Convert to fraction form
    506,375.28/698,241.45 = 325,018.71/x
  3. Step 3: Cross multiply
    506,375.28x = 698,241.45 × 325,018.71
  4. Step 4: Simplify right side
    506,375.28x = 226,941,535,347.53
  5. Step 5: Solve for x
    x = 226,941,535,347.53/506,375.28
  6. Step 6: Final answer
    x = 448,168.67

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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.