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Finding the Fourth Proportional to 453,005.22, 625,147.60 and 249,059.60

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Solution

The fourth proportional to 453,005.22, 625,147.60 and 249,059.60 is: 343,702.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,005.22 : 625,147.60 = 249,059.60 : x
  2. Step 2: Convert to fraction form
    453,005.22/625,147.60 = 249,059.60/x
  3. Step 3: Cross multiply
    453,005.22x = 625,147.60 × 249,059.60
  4. Step 4: Simplify right side
    453,005.22x = 155,699,011,196.96
  5. Step 5: Solve for x
    x = 155,699,011,196.96/453,005.22
  6. Step 6: Final answer
    x = 343,702.47

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1.5x scale

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.