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Finding the Fourth Proportional to 624,838.04, 862,276.94 and 338,358.35

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Solution

The fourth proportional to 624,838.04, 862,276.94 and 338,358.35 is: 466,934.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,838.04 : 862,276.94 = 338,358.35 : x
  2. Step 2: Convert to fraction form
    624,838.04/862,276.94 = 338,358.35/x
  3. Step 3: Cross multiply
    624,838.04x = 862,276.94 × 338,358.35
  4. Step 4: Simplify right side
    624,838.04x = 291,758,596,658.27
  5. Step 5: Solve for x
    x = 291,758,596,658.27/624,838.04
  6. Step 6: Final answer
    x = 466,934.76

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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.