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Finding the Fourth Proportional to 539,424.40, 810,011.40 and 362,714.80

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Solution

The fourth proportional to 539,424.40, 810,011.40 and 362,714.80 is: 544,660.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,424.40 : 810,011.40 = 362,714.80 : x
  2. Step 2: Convert to fraction form
    539,424.40/810,011.40 = 362,714.80/x
  3. Step 3: Cross multiply
    539,424.40x = 810,011.40 × 362,714.80
  4. Step 4: Simplify right side
    539,424.40x = 293,803,122,948.72
  5. Step 5: Solve for x
    x = 293,803,122,948.72/539,424.40
  6. Step 6: Final answer
    x = 544,660.42

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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.