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Finding the Fourth Proportional to 426,885.93, 589,125.26 and 245,625.40

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Solution

The fourth proportional to 426,885.93, 589,125.26 and 245,625.40 is: 338,976.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,885.93 : 589,125.26 = 245,625.40 : x
  2. Step 2: Convert to fraction form
    426,885.93/589,125.26 = 245,625.40/x
  3. Step 3: Cross multiply
    426,885.93x = 589,125.26 × 245,625.40
  4. Step 4: Simplify right side
    426,885.93x = 144,704,127,637.60
  5. Step 5: Solve for x
    x = 144,704,127,637.60/426,885.93
  6. Step 6: Final answer
    x = 338,976.10

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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.