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Finding the Fourth Proportional to 452,445.24, 623,954.48 and 291,015.48

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Solution

The fourth proportional to 452,445.24, 623,954.48 and 291,015.48 is: 401,331.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,445.24 : 623,954.48 = 291,015.48 : x
  2. Step 2: Convert to fraction form
    452,445.24/623,954.48 = 291,015.48/x
  3. Step 3: Cross multiply
    452,445.24x = 623,954.48 × 291,015.48
  4. Step 4: Simplify right side
    452,445.24x = 181,580,412,495.35
  5. Step 5: Solve for x
    x = 181,580,412,495.35/452,445.24
  6. Step 6: Final answer
    x = 401,331.25

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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.