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Finding the Fourth Proportional to 600,423.44, 828,448.70 and 358,658.69

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Solution

The fourth proportional to 600,423.44, 828,448.70 and 358,658.69 is: 494,867.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,423.44 : 828,448.70 = 358,658.69 : x
  2. Step 2: Convert to fraction form
    600,423.44/828,448.70 = 358,658.69/x
  3. Step 3: Cross multiply
    600,423.44x = 828,448.70 × 358,658.69
  4. Step 4: Simplify right side
    600,423.44x = 297,130,319,538.67
  5. Step 5: Solve for x
    x = 297,130,319,538.67/600,423.44
  6. Step 6: Final answer
    x = 494,867.96

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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.