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Finding the Fourth Proportional to 325,499.58, 448,773 and 223,347.64

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Solution

The fourth proportional to 325,499.58, 448,773 and 223,347.64 is: 307,934.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,499.58 : 448,773 = 223,347.64 : x
  2. Step 2: Convert to fraction form
    325,499.58/448,773 = 223,347.64/x
  3. Step 3: Cross multiply
    325,499.58x = 448,773 × 223,347.64
  4. Step 4: Simplify right side
    325,499.58x = 100,232,390,445.72
  5. Step 5: Solve for x
    x = 100,232,390,445.72/325,499.58
  6. Step 6: Final answer
    x = 307,934.01

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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.