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Finding the Fourth Proportional to 1,037,235, 1,556,115.06 and 289,281

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Solution

The fourth proportional to 1,037,235, 1,556,115.06 and 289,281 is: 433,994.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,235 : 1,556,115.06 = 289,281 : x
  2. Step 2: Convert to fraction form
    1,037,235/1,556,115.06 = 289,281/x
  3. Step 3: Cross multiply
    1,037,235x = 1,556,115.06 × 289,281
  4. Step 4: Simplify right side
    1,037,235x = 450,154,520,671.86
  5. Step 5: Solve for x
    x = 450,154,520,671.86/1,037,235
  6. Step 6: Final answer
    x = 433,994.73

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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.