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Finding the Fourth Proportional to 455,341.33, 628,444.88 and 264,465.46

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Solution

The fourth proportional to 455,341.33, 628,444.88 and 264,465.46 is: 365,005.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,341.33 : 628,444.88 = 264,465.46 : x
  2. Step 2: Convert to fraction form
    455,341.33/628,444.88 = 264,465.46/x
  3. Step 3: Cross multiply
    455,341.33x = 628,444.88 × 264,465.46
  4. Step 4: Simplify right side
    455,341.33x = 166,201,964,273.85
  5. Step 5: Solve for x
    x = 166,201,964,273.85/455,341.33
  6. Step 6: Final answer
    x = 365,005.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.