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Finding the Fourth Proportional to 600,000.89, 828,164.53 and 342,013.65

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Solution

The fourth proportional to 600,000.89, 828,164.53 and 342,013.65 is: 472,071.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,000.89 : 828,164.53 = 342,013.65 : x
  2. Step 2: Convert to fraction form
    600,000.89/828,164.53 = 342,013.65/x
  3. Step 3: Cross multiply
    600,000.89x = 828,164.53 × 342,013.65
  4. Step 4: Simplify right side
    600,000.89x = 283,243,576,970.99
  5. Step 5: Solve for x
    x = 283,243,576,970.99/600,000.89
  6. Step 6: Final answer
    x = 472,071.93

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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.