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Finding the Fourth Proportional to 455,454.96, 683,599.11 and 230,970.34

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Solution

The fourth proportional to 455,454.96, 683,599.11 and 230,970.34 is: 346,666.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,454.96 : 683,599.11 = 230,970.34 : x
  2. Step 2: Convert to fraction form
    455,454.96/683,599.11 = 230,970.34/x
  3. Step 3: Cross multiply
    455,454.96x = 683,599.11 × 230,970.34
  4. Step 4: Simplify right side
    455,454.96x = 157,891,118,860.40
  5. Step 5: Solve for x
    x = 157,891,118,860.40/455,454.96
  6. Step 6: Final answer
    x = 346,666.81

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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.