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Finding the Fourth Proportional to 525,483.59, 725,285.37 and 344,090.16

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Solution

The fourth proportional to 525,483.59, 725,285.37 and 344,090.16 is: 474,921.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,483.59 : 725,285.37 = 344,090.16 : x
  2. Step 2: Convert to fraction form
    525,483.59/725,285.37 = 344,090.16/x
  3. Step 3: Cross multiply
    525,483.59x = 725,285.37 × 344,090.16
  4. Step 4: Simplify right side
    525,483.59x = 249,563,560,299.30
  5. Step 5: Solve for x
    x = 249,563,560,299.30/525,483.59
  6. Step 6: Final answer
    x = 474,921.71

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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.