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Finding the Fourth Proportional to 654,597.64, 903,338.82 and 368,119.72

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Solution

The fourth proportional to 654,597.64, 903,338.82 and 368,119.72 is: 508,001.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,597.64 : 903,338.82 = 368,119.72 : x
  2. Step 2: Convert to fraction form
    654,597.64/903,338.82 = 368,119.72/x
  3. Step 3: Cross multiply
    654,597.64x = 903,338.82 × 368,119.72
  4. Step 4: Simplify right side
    654,597.64x = 332,536,833,483.53
  5. Step 5: Solve for x
    x = 332,536,833,483.53/654,597.64
  6. Step 6: Final answer
    x = 508,001.88

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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.