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Finding the Fourth Proportional to 444,329.04, 612,536.16 and 316,783.20

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Solution

The fourth proportional to 444,329.04, 612,536.16 and 316,783.20 is: 436,706.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,329.04 : 612,536.16 = 316,783.20 : x
  2. Step 2: Convert to fraction form
    444,329.04/612,536.16 = 316,783.20/x
  3. Step 3: Cross multiply
    444,329.04x = 612,536.16 × 316,783.20
  4. Step 4: Simplify right side
    444,329.04x = 194,041,164,880.51
  5. Step 5: Solve for x
    x = 194,041,164,880.51/444,329.04
  6. Step 6: Final answer
    x = 436,706.02

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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.