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Finding the Fourth Proportional to 476,152.53, 657,098.55 and 261,312.60

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Solution

The fourth proportional to 476,152.53, 657,098.55 and 261,312.60 is: 360,615.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,152.53 : 657,098.55 = 261,312.60 : x
  2. Step 2: Convert to fraction form
    476,152.53/657,098.55 = 261,312.60/x
  3. Step 3: Cross multiply
    476,152.53x = 657,098.55 × 261,312.60
  4. Step 4: Simplify right side
    476,152.53x = 171,708,130,556.73
  5. Step 5: Solve for x
    x = 171,708,130,556.73/476,152.53
  6. Step 6: Final answer
    x = 360,615.81

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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.