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Finding the Fourth Proportional to 583,465.32, 875,181.30 and 318,901.44

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Solution

The fourth proportional to 583,465.32, 875,181.30 and 318,901.44 is: 478,343.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,465.32 : 875,181.30 = 318,901.44 : x
  2. Step 2: Convert to fraction form
    583,465.32/875,181.30 = 318,901.44/x
  3. Step 3: Cross multiply
    583,465.32x = 875,181.30 × 318,901.44
  4. Step 4: Simplify right side
    583,465.32x = 279,096,576,831.07
  5. Step 5: Solve for x
    x = 279,096,576,831.07/583,465.32
  6. Step 6: Final answer
    x = 478,343.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.