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Finding the Fourth Proportional to 614,657.52, 848,223.90 and 342,728.67

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Solution

The fourth proportional to 614,657.52, 848,223.90 and 342,728.67 is: 472,963.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,657.52 : 848,223.90 = 342,728.67 : x
  2. Step 2: Convert to fraction form
    614,657.52/848,223.90 = 342,728.67/x
  3. Step 3: Cross multiply
    614,657.52x = 848,223.90 × 342,728.67
  4. Step 4: Simplify right side
    614,657.52x = 290,710,649,109.21
  5. Step 5: Solve for x
    x = 290,710,649,109.21/614,657.52
  6. Step 6: Final answer
    x = 472,963.63

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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.