Home / 346,446.28-478,167.06-203,281.48

Finding the Fourth Proportional to 346,446.28, 478,167.06 and 203,281.48

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Solution

The fourth proportional to 346,446.28, 478,167.06 and 203,281.48 is: 280,570.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,446.28 : 478,167.06 = 203,281.48 : x
  2. Step 2: Convert to fraction form
    346,446.28/478,167.06 = 203,281.48/x
  3. Step 3: Cross multiply
    346,446.28x = 478,167.06 × 203,281.48
  4. Step 4: Simplify right side
    346,446.28x = 97,202,507,644.05
  5. Step 5: Solve for x
    x = 97,202,507,644.05/346,446.28
  6. Step 6: Final answer
    x = 280,570.22

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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.