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Finding the Fourth Proportional to 600,345.35, 828,521.53 and 342,228.45

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Solution

The fourth proportional to 600,345.35, 828,521.53 and 342,228.45 is: 472,300.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,345.35 : 828,521.53 = 342,228.45 : x
  2. Step 2: Convert to fraction form
    600,345.35/828,521.53 = 342,228.45/x
  3. Step 3: Cross multiply
    600,345.35x = 828,521.53 × 342,228.45
  4. Step 4: Simplify right side
    600,345.35x = 283,543,635,716.49
  5. Step 5: Solve for x
    x = 283,543,635,716.49/600,345.35
  6. Step 6: Final answer
    x = 472,300.88

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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.