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Finding the Fourth Proportional to 608,568.98, 912,587.13 and 288,812.48

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Solution

The fourth proportional to 608,568.98, 912,587.13 and 288,812.48 is: 433,092.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,568.98 : 912,587.13 = 288,812.48 : x
  2. Step 2: Convert to fraction form
    608,568.98/912,587.13 = 288,812.48/x
  3. Step 3: Cross multiply
    608,568.98x = 912,587.13 × 288,812.48
  4. Step 4: Simplify right side
    608,568.98x = 263,566,547,668.45
  5. Step 5: Solve for x
    x = 263,566,547,668.45/608,568.98
  6. Step 6: Final answer
    x = 433,092.32

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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.