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Finding the Fourth Proportional to 602,197.68, 831,043.48 and 330,263.22

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Solution

The fourth proportional to 602,197.68, 831,043.48 and 330,263.22 is: 455,769.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,197.68 : 831,043.48 = 330,263.22 : x
  2. Step 2: Convert to fraction form
    602,197.68/831,043.48 = 330,263.22/x
  3. Step 3: Cross multiply
    602,197.68x = 831,043.48 × 330,263.22
  4. Step 4: Simplify right side
    602,197.68x = 274,463,095,664.81
  5. Step 5: Solve for x
    x = 274,463,095,664.81/602,197.68
  6. Step 6: Final answer
    x = 455,769.10

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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.