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Finding the Fourth Proportional to 608,866.86, 913,281.44 and 289,248.80

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Solution

The fourth proportional to 608,866.86, 913,281.44 and 289,248.80 is: 433,864.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,866.86 : 913,281.44 = 289,248.80 : x
  2. Step 2: Convert to fraction form
    608,866.86/913,281.44 = 289,248.80/x
  3. Step 3: Cross multiply
    608,866.86x = 913,281.44 × 289,248.80
  4. Step 4: Simplify right side
    608,866.86x = 264,165,560,582.27
  5. Step 5: Solve for x
    x = 264,165,560,582.27/608,866.86
  6. Step 6: Final answer
    x = 433,864.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.