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Finding the Fourth Proportional to 963,307.80, 1,443,924.90 and 364,037.40

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Solution

The fourth proportional to 963,307.80, 1,443,924.90 and 364,037.40 is: 545,664.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,307.80 : 1,443,924.90 = 364,037.40 : x
  2. Step 2: Convert to fraction form
    963,307.80/1,443,924.90 = 364,037.40/x
  3. Step 3: Cross multiply
    963,307.80x = 1,443,924.90 × 364,037.40
  4. Step 4: Simplify right side
    963,307.80x = 525,642,666,391.26
  5. Step 5: Solve for x
    x = 525,642,666,391.26/963,307.80
  6. Step 6: Final answer
    x = 545,664.29

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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.