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Finding the Fourth Proportional to 908,646.70, 1,360,017.60 and 908,646.70

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Solution

The fourth proportional to 908,646.70, 1,360,017.60 and 908,646.70 is: 1,360,017.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,646.70 : 1,360,017.60 = 908,646.70 : x
  2. Step 2: Convert to fraction form
    908,646.70/1,360,017.60 = 908,646.70/x
  3. Step 3: Cross multiply
    908,646.70x = 1,360,017.60 × 908,646.70
  4. Step 4: Simplify right side
    908,646.70x = 1,235,775,504,181.92
  5. Step 5: Solve for x
    x = 1,235,775,504,181.92/908,646.70
  6. Step 6: Final answer
    x = 1,360,017.60

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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.