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Finding the Fourth Proportional to 452,347.79, 624,195.77 and 261,357.08

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Solution

The fourth proportional to 452,347.79, 624,195.77 and 261,357.08 is: 360,647.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,347.79 : 624,195.77 = 261,357.08 : x
  2. Step 2: Convert to fraction form
    452,347.79/624,195.77 = 261,357.08/x
  3. Step 3: Cross multiply
    452,347.79x = 624,195.77 × 261,357.08
  4. Step 4: Simplify right side
    452,347.79x = 163,137,986,009.43
  5. Step 5: Solve for x
    x = 163,137,986,009.43/452,347.79
  6. Step 6: Final answer
    x = 360,647.25

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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.