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Finding the Fourth Proportional to 633,371.52, 874,053 and 346,909.68

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Solution

The fourth proportional to 633,371.52, 874,053 and 346,909.68 is: 478,735.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,371.52 : 874,053 = 346,909.68 : x
  2. Step 2: Convert to fraction form
    633,371.52/874,053 = 346,909.68/x
  3. Step 3: Cross multiply
    633,371.52x = 874,053 × 346,909.68
  4. Step 4: Simplify right side
    633,371.52x = 303,217,446,533.04
  5. Step 5: Solve for x
    x = 303,217,446,533.04/633,371.52
  6. Step 6: Final answer
    x = 478,735.52

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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.