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Finding the Fourth Proportional to 370,871.40, 556,307.10 and 366,934.80

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Solution

The fourth proportional to 370,871.40, 556,307.10 and 366,934.80 is: 550,402.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,871.40 : 556,307.10 = 366,934.80 : x
  2. Step 2: Convert to fraction form
    370,871.40/556,307.10 = 366,934.80/x
  3. Step 3: Cross multiply
    370,871.40x = 556,307.10 × 366,934.80
  4. Step 4: Simplify right side
    370,871.40x = 204,128,434,477.08
  5. Step 5: Solve for x
    x = 204,128,434,477.08/370,871.40
  6. Step 6: Final answer
    x = 550,402.20

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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.