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Finding the Fourth Proportional to 602,271.52, 831,135.92 and 330,341.66

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Solution

The fourth proportional to 602,271.52, 831,135.92 and 330,341.66 is: 455,872.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,271.52 : 831,135.92 = 330,341.66 : x
  2. Step 2: Convert to fraction form
    602,271.52/831,135.92 = 330,341.66/x
  3. Step 3: Cross multiply
    602,271.52x = 831,135.92 × 330,341.66
  4. Step 4: Simplify right side
    602,271.52x = 274,558,819,498.43
  5. Step 5: Solve for x
    x = 274,558,819,498.43/602,271.52
  6. Step 6: Final answer
    x = 455,872.16

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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.