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Finding the Fourth Proportional to 602,181.84, 831,009.66 and 347,533.03

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Solution

The fourth proportional to 602,181.84, 831,009.66 and 347,533.03 is: 479,594.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,181.84 : 831,009.66 = 347,533.03 : x
  2. Step 2: Convert to fraction form
    602,181.84/831,009.66 = 347,533.03/x
  3. Step 3: Cross multiply
    602,181.84x = 831,009.66 × 347,533.03
  4. Step 4: Simplify right side
    602,181.84x = 288,803,300,944.02
  5. Step 5: Solve for x
    x = 288,803,300,944.02/602,181.84
  6. Step 6: Final answer
    x = 479,594.84

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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.