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Finding the Fourth Proportional to 453,021.08, 625,169.46 and 249,075.50

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Solution

The fourth proportional to 453,021.08, 625,169.46 and 249,075.50 is: 343,724.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,021.08 : 625,169.46 = 249,075.50 : x
  2. Step 2: Convert to fraction form
    453,021.08/625,169.46 = 249,075.50/x
  3. Step 3: Cross multiply
    453,021.08x = 625,169.46 × 249,075.50
  4. Step 4: Simplify right side
    453,021.08x = 155,714,395,834.23
  5. Step 5: Solve for x
    x = 155,714,395,834.23/453,021.08
  6. Step 6: Final answer
    x = 343,724.39

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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.