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Finding the Fourth Proportional to 453,141.94, 625,322.64 and 249,192.65

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Solution

The fourth proportional to 453,141.94, 625,322.64 and 249,192.65 is: 343,878.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,141.94 : 625,322.64 = 249,192.65 : x
  2. Step 2: Convert to fraction form
    453,141.94/625,322.64 = 249,192.65/x
  3. Step 3: Cross multiply
    453,141.94x = 625,322.64 × 249,192.65
  4. Step 4: Simplify right side
    453,141.94x = 155,825,802,639.98
  5. Step 5: Solve for x
    x = 155,825,802,639.98/453,141.94
  6. Step 6: Final answer
    x = 343,878.57

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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.