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Finding the Fourth Proportional to 1,037,190, 1,555,785 and 249,222

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Solution

The fourth proportional to 1,037,190, 1,555,785 and 249,222 is: 373,833

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,190 : 1,555,785 = 249,222 : x
  2. Step 2: Convert to fraction form
    1,037,190/1,555,785 = 249,222/x
  3. Step 3: Cross multiply
    1,037,190x = 1,555,785 × 249,222
  4. Step 4: Simplify right side
    1,037,190x = 387,735,849,270
  5. Step 5: Solve for x
    x = 387,735,849,270/1,037,190
  6. Step 6: Final answer
    x = 373,833

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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.