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Finding the Fourth Proportional to 411,440.81, 566,526.64 and 360,166.60

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Solution

The fourth proportional to 411,440.81, 566,526.64 and 360,166.60 is: 495,925.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,440.81 : 566,526.64 = 360,166.60 : x
  2. Step 2: Convert to fraction form
    411,440.81/566,526.64 = 360,166.60/x
  3. Step 3: Cross multiply
    411,440.81x = 566,526.64 × 360,166.60
  4. Step 4: Simplify right side
    411,440.81x = 204,043,969,104.76
  5. Step 5: Solve for x
    x = 204,043,969,104.76/411,440.81
  6. Step 6: Final answer
    x = 495,925.45

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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.