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Finding the Fourth Proportional to 264,931.70, 365,477.15 and 157,425.60

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Solution

The fourth proportional to 264,931.70, 365,477.15 and 157,425.60 is: 217,170.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,931.70 : 365,477.15 = 157,425.60 : x
  2. Step 2: Convert to fraction form
    264,931.70/365,477.15 = 157,425.60/x
  3. Step 3: Cross multiply
    264,931.70x = 365,477.15 × 157,425.60
  4. Step 4: Simplify right side
    264,931.70x = 57,535,460,018.60
  5. Step 5: Solve for x
    x = 57,535,460,018.60/264,931.70
  6. Step 6: Final answer
    x = 217,170.91

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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.