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Finding the Fourth Proportional to 474,337.21, 654,585.13 and 259,477.22

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Solution

The fourth proportional to 474,337.21, 654,585.13 and 259,477.22 is: 358,078.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,337.21 : 654,585.13 = 259,477.22 : x
  2. Step 2: Convert to fraction form
    474,337.21/654,585.13 = 259,477.22/x
  3. Step 3: Cross multiply
    474,337.21x = 654,585.13 × 259,477.22
  4. Step 4: Simplify right side
    474,337.21x = 169,849,926,512.81
  5. Step 5: Solve for x
    x = 169,849,926,512.81/474,337.21
  6. Step 6: Final answer
    x = 358,078.44

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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.