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Finding the Fourth Proportional to 540,821.51, 746,303.51 and 295,757.91

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Solution

The fourth proportional to 540,821.51, 746,303.51 and 295,757.91 is: 408,129.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,821.51 : 746,303.51 = 295,757.91 : x
  2. Step 2: Convert to fraction form
    540,821.51/746,303.51 = 295,757.91/x
  3. Step 3: Cross multiply
    540,821.51x = 746,303.51 × 295,757.91
  4. Step 4: Simplify right side
    540,821.51x = 220,725,164,864.48
  5. Step 5: Solve for x
    x = 220,725,164,864.48/540,821.51
  6. Step 6: Final answer
    x = 408,129.41

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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.