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Finding the Fourth Proportional to 507,343.44, 698,538.96 and 430,710.96

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Solution

The fourth proportional to 507,343.44, 698,538.96 and 430,710.96 is: 593,027.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,343.44 : 698,538.96 = 430,710.96 : x
  2. Step 2: Convert to fraction form
    507,343.44/698,538.96 = 430,710.96/x
  3. Step 3: Cross multiply
    507,343.44x = 698,538.96 × 430,710.96
  4. Step 4: Simplify right side
    507,343.44x = 300,868,386,059.00
  5. Step 5: Solve for x
    x = 300,868,386,059.00/507,343.44
  6. Step 6: Final answer
    x = 593,027.05

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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.