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Finding the Fourth Proportional to 675,199.58, 931,740.98 and 369,216.59

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Solution

The fourth proportional to 675,199.58, 931,740.98 and 369,216.59 is: 509,500.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,199.58 : 931,740.98 = 369,216.59 : x
  2. Step 2: Convert to fraction form
    675,199.58/931,740.98 = 369,216.59/x
  3. Step 3: Cross multiply
    675,199.58x = 931,740.98 × 369,216.59
  4. Step 4: Simplify right side
    675,199.58x = 344,014,220,894.07
  5. Step 5: Solve for x
    x = 344,014,220,894.07/675,199.58
  6. Step 6: Final answer
    x = 509,500.06

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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.