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Finding the Fourth Proportional to 815,295, 1,125,069.35 and 452,741.84

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Solution

The fourth proportional to 815,295, 1,125,069.35 and 452,741.84 is: 624,762.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,295 : 1,125,069.35 = 452,741.84 : x
  2. Step 2: Convert to fraction form
    815,295/1,125,069.35 = 452,741.84/x
  3. Step 3: Cross multiply
    815,295x = 1,125,069.35 × 452,741.84
  4. Step 4: Simplify right side
    815,295x = 509,365,959,757.55
  5. Step 5: Solve for x
    x = 509,365,959,757.55/815,295
  6. Step 6: Final answer
    x = 624,762.77

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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.