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Finding the Fourth Proportional to 1,037,148, 1,555,722 and 249,180

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Solution

The fourth proportional to 1,037,148, 1,555,722 and 249,180 is: 373,770

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,148 : 1,555,722 = 249,180 : x
  2. Step 2: Convert to fraction form
    1,037,148/1,555,722 = 249,180/x
  3. Step 3: Cross multiply
    1,037,148x = 1,555,722 × 249,180
  4. Step 4: Simplify right side
    1,037,148x = 387,654,807,960
  5. Step 5: Solve for x
    x = 387,654,807,960/1,037,148
  6. Step 6: Final answer
    x = 373,770

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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.