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Finding the Fourth Proportional to 994,911.60, 1,492,950.60 and 363,889.20

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Solution

The fourth proportional to 994,911.60, 1,492,950.60 and 363,889.20 is: 546,047.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,911.60 : 1,492,950.60 = 363,889.20 : x
  2. Step 2: Convert to fraction form
    994,911.60/1,492,950.60 = 363,889.20/x
  3. Step 3: Cross multiply
    994,911.60x = 1,492,950.60 × 363,889.20
  4. Step 4: Simplify right side
    994,911.60x = 543,268,599,473.52
  5. Step 5: Solve for x
    x = 543,268,599,473.52/994,911.60
  6. Step 6: Final answer
    x = 546,047.11

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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.