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Finding the Fourth Proportional to 464,688.48, 641,243.52 and 257,946.24

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Solution

The fourth proportional to 464,688.48, 641,243.52 and 257,946.24 is: 355,951.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,688.48 : 641,243.52 = 257,946.24 : x
  2. Step 2: Convert to fraction form
    464,688.48/641,243.52 = 257,946.24/x
  3. Step 3: Cross multiply
    464,688.48x = 641,243.52 × 257,946.24
  4. Step 4: Simplify right side
    464,688.48x = 165,406,354,908.37
  5. Step 5: Solve for x
    x = 165,406,354,908.37/464,688.48
  6. Step 6: Final answer
    x = 355,951.06

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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.