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Finding the Fourth Proportional to 476,133.60, 714,400.80 and 296,369.40

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Solution

The fourth proportional to 476,133.60, 714,400.80 and 296,369.40 is: 444,678.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,133.60 : 714,400.80 = 296,369.40 : x
  2. Step 2: Convert to fraction form
    476,133.60/714,400.80 = 296,369.40/x
  3. Step 3: Cross multiply
    476,133.60x = 714,400.80 × 296,369.40
  4. Step 4: Simplify right side
    476,133.60x = 211,726,536,455.52
  5. Step 5: Solve for x
    x = 211,726,536,455.52/476,133.60
  6. Step 6: Final answer
    x = 444,678.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.