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Finding the Fourth Proportional to 453,020.08, 625,168.08 and 249,074.50

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Solution

The fourth proportional to 453,020.08, 625,168.08 and 249,074.50 is: 343,723.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,020.08 : 625,168.08 = 249,074.50 : x
  2. Step 2: Convert to fraction form
    453,020.08/625,168.08 = 249,074.50/x
  3. Step 3: Cross multiply
    453,020.08x = 625,168.08 × 249,074.50
  4. Step 4: Simplify right side
    453,020.08x = 155,713,426,941.96
  5. Step 5: Solve for x
    x = 155,713,426,941.96/453,020.08
  6. Step 6: Final answer
    x = 343,723.01

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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.