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Finding the Fourth Proportional to 602,843.58, 831,925.95 and 330,939.34

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Solution

The fourth proportional to 602,843.58, 831,925.95 and 330,939.34 is: 456,697.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,843.58 : 831,925.95 = 330,939.34 : x
  2. Step 2: Convert to fraction form
    602,843.58/831,925.95 = 330,939.34/x
  3. Step 3: Cross multiply
    602,843.58x = 831,925.95 × 330,939.34
  4. Step 4: Simplify right side
    602,843.58x = 275,317,024,821.87
  5. Step 5: Solve for x
    x = 275,317,024,821.87/602,843.58
  6. Step 6: Final answer
    x = 456,697.28

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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.