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Finding the Fourth Proportional to 705,343.81, 973,672.33 and 476,211.48

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Solution

The fourth proportional to 705,343.81, 973,672.33 and 476,211.48 is: 657,372.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,343.81 : 973,672.33 = 476,211.48 : x
  2. Step 2: Convert to fraction form
    705,343.81/973,672.33 = 476,211.48/x
  3. Step 3: Cross multiply
    705,343.81x = 973,672.33 × 476,211.48
  4. Step 4: Simplify right side
    705,343.81x = 463,673,941,357.47
  5. Step 5: Solve for x
    x = 463,673,941,357.47/705,343.81
  6. Step 6: Final answer
    x = 657,372.95

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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.