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Finding the Fourth Proportional to 374,436.40, 561,654.60 and 232,718.80

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Solution

The fourth proportional to 374,436.40, 561,654.60 and 232,718.80 is: 349,078.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,436.40 : 561,654.60 = 232,718.80 : x
  2. Step 2: Convert to fraction form
    374,436.40/561,654.60 = 232,718.80/x
  3. Step 3: Cross multiply
    374,436.40x = 561,654.60 × 232,718.80
  4. Step 4: Simplify right side
    374,436.40x = 130,707,584,526.48
  5. Step 5: Solve for x
    x = 130,707,584,526.48/374,436.40
  6. Step 6: Final answer
    x = 349,078.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.