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Finding the Fourth Proportional to 1,141,224.95, 1,574,890.34 and 631,927.32

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Solution

The fourth proportional to 1,141,224.95, 1,574,890.34 and 631,927.32 is: 872,059.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,224.95 : 1,574,890.34 = 631,927.32 : x
  2. Step 2: Convert to fraction form
    1,141,224.95/1,574,890.34 = 631,927.32/x
  3. Step 3: Cross multiply
    1,141,224.95x = 1,574,890.34 × 631,927.32
  4. Step 4: Simplify right side
    1,141,224.95x = 995,216,228,690.45
  5. Step 5: Solve for x
    x = 995,216,228,690.45/1,141,224.95
  6. Step 6: Final answer
    x = 872,059.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.