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Finding the Fourth Proportional to 602,285.79, 831,152.16 and 372,797.39

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Solution

The fourth proportional to 602,285.79, 831,152.16 and 372,797.39 is: 514,459.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,285.79 : 831,152.16 = 372,797.39 : x
  2. Step 2: Convert to fraction form
    602,285.79/831,152.16 = 372,797.39/x
  3. Step 3: Cross multiply
    602,285.79x = 831,152.16 × 372,797.39
  4. Step 4: Simplify right side
    602,285.79x = 309,851,354,392.01
  5. Step 5: Solve for x
    x = 309,851,354,392.01/602,285.79
  6. Step 6: Final answer
    x = 514,459.02

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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.