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Finding the Fourth Proportional to 699,101.60, 1,048,447.60 and 249,770.40

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Solution

The fourth proportional to 699,101.60, 1,048,447.60 and 249,770.40 is: 374,582.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,101.60 : 1,048,447.60 = 249,770.40 : x
  2. Step 2: Convert to fraction form
    699,101.60/1,048,447.60 = 249,770.40/x
  3. Step 3: Cross multiply
    699,101.60x = 1,048,447.60 × 249,770.40
  4. Step 4: Simplify right side
    699,101.60x = 261,871,176,431.04
  5. Step 5: Solve for x
    x = 261,871,176,431.04/699,101.60
  6. Step 6: Final answer
    x = 374,582.43

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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.