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Finding the Fourth Proportional to 610,525.34, 842,468.54 and 338,588.22

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Solution

The fourth proportional to 610,525.34, 842,468.54 and 338,588.22 is: 467,220.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,525.34 : 842,468.54 = 338,588.22 : x
  2. Step 2: Convert to fraction form
    610,525.34/842,468.54 = 338,588.22/x
  3. Step 3: Cross multiply
    610,525.34x = 842,468.54 × 338,588.22
  4. Step 4: Simplify right side
    610,525.34x = 285,249,923,364.60
  5. Step 5: Solve for x
    x = 285,249,923,364.60/610,525.34
  6. Step 6: Final answer
    x = 467,220.45

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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.