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Finding the Fourth Proportional to 453,265.90, 625,493.75 and 249,316.79

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Solution

The fourth proportional to 453,265.90, 625,493.75 and 249,316.79 is: 344,049.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,265.90 : 625,493.75 = 249,316.79 : x
  2. Step 2: Convert to fraction form
    453,265.90/625,493.75 = 249,316.79/x
  3. Step 3: Cross multiply
    453,265.90x = 625,493.75 × 249,316.79
  4. Step 4: Simplify right side
    453,265.90x = 155,946,089,541.01
  5. Step 5: Solve for x
    x = 155,946,089,541.01/453,265.90
  6. Step 6: Final answer
    x = 344,049.91

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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.