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Finding the Fourth Proportional to 1,569,974.40, 2,355,998.40 and 896,054.40

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Solution

The fourth proportional to 1,569,974.40, 2,355,998.40 and 896,054.40 is: 1,344,673.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,974.40 : 2,355,998.40 = 896,054.40 : x
  2. Step 2: Convert to fraction form
    1,569,974.40/2,355,998.40 = 896,054.40/x
  3. Step 3: Cross multiply
    1,569,974.40x = 2,355,998.40 × 896,054.40
  4. Step 4: Simplify right side
    1,569,974.40x = 2,111,102,732,712.96
  5. Step 5: Solve for x
    x = 2,111,102,732,712.96/1,569,974.40
  6. Step 6: Final answer
    x = 1,344,673.35

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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.