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Finding the Fourth Proportional to 608,569.94, 912,490.38 and 288,801.38

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Solution

The fourth proportional to 608,569.94, 912,490.38 and 288,801.38 is: 433,029.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,569.94 : 912,490.38 = 288,801.38 : x
  2. Step 2: Convert to fraction form
    608,569.94/912,490.38 = 288,801.38/x
  3. Step 3: Cross multiply
    608,569.94x = 912,490.38 × 288,801.38
  4. Step 4: Simplify right side
    608,569.94x = 263,528,480,980.72
  5. Step 5: Solve for x
    x = 263,528,480,980.72/608,569.94
  6. Step 6: Final answer
    x = 433,029.08

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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.