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Finding the Fourth Proportional to 573,626.52, 791,623.80 and 315,514.38

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Solution

The fourth proportional to 573,626.52, 791,623.80 and 315,514.38 is: 435,420.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,626.52 : 791,623.80 = 315,514.38 : x
  2. Step 2: Convert to fraction form
    573,626.52/791,623.80 = 315,514.38/x
  3. Step 3: Cross multiply
    573,626.52x = 791,623.80 × 315,514.38
  4. Step 4: Simplify right side
    573,626.52x = 249,768,692,450.24
  5. Step 5: Solve for x
    x = 249,768,692,450.24/573,626.52
  6. Step 6: Final answer
    x = 435,420.41

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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.