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Finding the Fourth Proportional to 1,036,314, 1,553,803.02 and 437,114.88

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Solution

The fourth proportional to 1,036,314, 1,553,803.02 and 437,114.88 is: 655,390.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,314 : 1,553,803.02 = 437,114.88 : x
  2. Step 2: Convert to fraction form
    1,036,314/1,553,803.02 = 437,114.88/x
  3. Step 3: Cross multiply
    1,036,314x = 1,553,803.02 × 437,114.88
  4. Step 4: Simplify right side
    1,036,314x = 679,190,420,630.94
  5. Step 5: Solve for x
    x = 679,190,420,630.94/1,036,314
  6. Step 6: Final answer
    x = 655,390.57

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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.