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Finding the Fourth Proportional to 1,870,561.08, 2,806,582.68 and 972,569.16

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Solution

The fourth proportional to 1,870,561.08, 2,806,582.68 and 972,569.16 is: 1,459,239.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870,561.08 : 2,806,582.68 = 972,569.16 : x
  2. Step 2: Convert to fraction form
    1,870,561.08/2,806,582.68 = 972,569.16/x
  3. Step 3: Cross multiply
    1,870,561.08x = 2,806,582.68 × 972,569.16
  4. Step 4: Simplify right side
    1,870,561.08x = 2,729,595,759,558.15
  5. Step 5: Solve for x
    x = 2,729,595,759,558.15/1,870,561.08
  6. Step 6: Final answer
    x = 1,459,239.04

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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.