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Finding the Fourth Proportional to 602,268.08, 831,105 and 360,407.84

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Solution

The fourth proportional to 602,268.08, 831,105 and 360,407.84 is: 497,347.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,268.08 : 831,105 = 360,407.84 : x
  2. Step 2: Convert to fraction form
    602,268.08/831,105 = 360,407.84/x
  3. Step 3: Cross multiply
    602,268.08x = 831,105 × 360,407.84
  4. Step 4: Simplify right side
    602,268.08x = 299,536,757,863.20
  5. Step 5: Solve for x
    x = 299,536,757,863.20/602,268.08
  6. Step 6: Final answer
    x = 497,347.89

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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.