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Finding the Fourth Proportional to 453,090.54, 625,281 and 249,156.93

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Solution

The fourth proportional to 453,090.54, 625,281 and 249,156.93 is: 343,845.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,090.54 : 625,281 = 249,156.93 : x
  2. Step 2: Convert to fraction form
    453,090.54/625,281 = 249,156.93/x
  3. Step 3: Cross multiply
    453,090.54x = 625,281 × 249,156.93
  4. Step 4: Simplify right side
    453,090.54x = 155,793,094,347.33
  5. Step 5: Solve for x
    x = 155,793,094,347.33/453,090.54
  6. Step 6: Final answer
    x = 343,845.39

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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.