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Finding the Fourth Proportional to 898,290.99, 1,340,561.64 and 802,444.77

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Solution

The fourth proportional to 898,290.99, 1,340,561.64 and 802,444.77 is: 1,197,525.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,290.99 : 1,340,561.64 = 802,444.77 : x
  2. Step 2: Convert to fraction form
    898,290.99/1,340,561.64 = 802,444.77/x
  3. Step 3: Cross multiply
    898,290.99x = 1,340,561.64 × 802,444.77
  4. Step 4: Simplify right side
    898,290.99x = 1,075,726,676,880.62
  5. Step 5: Solve for x
    x = 1,075,726,676,880.62/898,290.99
  6. Step 6: Final answer
    x = 1,197,525.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.