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Finding the Fourth Proportional to 447,966.51, 618,193.79 and 246,762.51

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Solution

The fourth proportional to 447,966.51, 618,193.79 and 246,762.51 is: 340,532.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,966.51 : 618,193.79 = 246,762.51 : x
  2. Step 2: Convert to fraction form
    447,966.51/618,193.79 = 246,762.51/x
  3. Step 3: Cross multiply
    447,966.51x = 618,193.79 × 246,762.51
  4. Step 4: Simplify right side
    447,966.51x = 152,547,051,286.81
  5. Step 5: Solve for x
    x = 152,547,051,286.81/447,966.51
  6. Step 6: Final answer
    x = 340,532.27

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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.