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Finding the Fourth Proportional to 1,048,353, 1,572,529.50 and 300,399

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Solution

The fourth proportional to 1,048,353, 1,572,529.50 and 300,399 is: 450,598.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,353 : 1,572,529.50 = 300,399 : x
  2. Step 2: Convert to fraction form
    1,048,353/1,572,529.50 = 300,399/x
  3. Step 3: Cross multiply
    1,048,353x = 1,572,529.50 × 300,399
  4. Step 4: Simplify right side
    1,048,353x = 472,386,289,270.50
  5. Step 5: Solve for x
    x = 472,386,289,270.50/1,048,353
  6. Step 6: Final answer
    x = 450,598.50

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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.