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Finding the Fourth Proportional to 476,357.88, 713,869.50 and 357,953.64

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Solution

The fourth proportional to 476,357.88, 713,869.50 and 357,953.64 is: 536,429.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,357.88 : 713,869.50 = 357,953.64 : x
  2. Step 2: Convert to fraction form
    476,357.88/713,869.50 = 357,953.64/x
  3. Step 3: Cross multiply
    476,357.88x = 713,869.50 × 357,953.64
  4. Step 4: Simplify right side
    476,357.88x = 255,532,186,009.98
  5. Step 5: Solve for x
    x = 255,532,186,009.98/476,357.88
  6. Step 6: Final answer
    x = 536,429.01

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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.