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Finding the Fourth Proportional to 600,347.15, 828,498.79 and 342,219.49

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Solution

The fourth proportional to 600,347.15, 828,498.79 and 342,219.49 is: 472,274.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,347.15 : 828,498.79 = 342,219.49 : x
  2. Step 2: Convert to fraction form
    600,347.15/828,498.79 = 342,219.49/x
  3. Step 3: Cross multiply
    600,347.15x = 828,498.79 × 342,219.49
  4. Step 4: Simplify right side
    600,347.15x = 283,528,433,379.42
  5. Step 5: Solve for x
    x = 283,528,433,379.42/600,347.15
  6. Step 6: Final answer
    x = 472,274.14

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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.