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Finding the Fourth Proportional to 368,281.83, 508,224.04 and 207,136.89

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Solution

The fourth proportional to 368,281.83, 508,224.04 and 207,136.89 is: 285,846.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,281.83 : 508,224.04 = 207,136.89 : x
  2. Step 2: Convert to fraction form
    368,281.83/508,224.04 = 207,136.89/x
  3. Step 3: Cross multiply
    368,281.83x = 508,224.04 × 207,136.89
  4. Step 4: Simplify right side
    368,281.83x = 105,271,946,550.99
  5. Step 5: Solve for x
    x = 105,271,946,550.99/368,281.83
  6. Step 6: Final answer
    x = 285,846.16

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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.