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Finding the Fourth Proportional to 455,655.15, 683,482.73 and 455,655.15

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Solution

The fourth proportional to 455,655.15, 683,482.73 and 455,655.15 is: 683,482.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,655.15 : 683,482.73 = 455,655.15 : x
  2. Step 2: Convert to fraction form
    455,655.15/683,482.73 = 455,655.15/x
  3. Step 3: Cross multiply
    455,655.15x = 683,482.73 × 455,655.15
  4. Step 4: Simplify right side
    455,655.15x = 311,432,423,582.28
  5. Step 5: Solve for x
    x = 311,432,423,582.28/455,655.15
  6. Step 6: Final answer
    x = 683,482.73

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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.