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Finding the Fourth Proportional to 455,609.10, 683,413.65 and 367,035.60

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Solution

The fourth proportional to 455,609.10, 683,413.65 and 367,035.60 is: 550,553.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,609.10 : 683,413.65 = 367,035.60 : x
  2. Step 2: Convert to fraction form
    455,609.10/683,413.65 = 367,035.60/x
  3. Step 3: Cross multiply
    455,609.10x = 683,413.65 × 367,035.60
  4. Step 4: Simplify right side
    455,609.10x = 250,837,139,075.94
  5. Step 5: Solve for x
    x = 250,837,139,075.94/455,609.10
  6. Step 6: Final answer
    x = 550,553.40

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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.