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Finding the Fourth Proportional to 585,031, 877,546.50 and 141,799

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Solution

The fourth proportional to 585,031, 877,546.50 and 141,799 is: 212,698.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,031 : 877,546.50 = 141,799 : x
  2. Step 2: Convert to fraction form
    585,031/877,546.50 = 141,799/x
  3. Step 3: Cross multiply
    585,031x = 877,546.50 × 141,799
  4. Step 4: Simplify right side
    585,031x = 124,435,216,153.50
  5. Step 5: Solve for x
    x = 124,435,216,153.50/585,031
  6. Step 6: Final answer
    x = 212,698.50

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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.