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Finding the Fourth Proportional to 1,776,407.70, 2,492,569.50 and 1,776,407.70

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Solution

The fourth proportional to 1,776,407.70, 2,492,569.50 and 1,776,407.70 is: 2,492,569.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,407.70 : 2,492,569.50 = 1,776,407.70 : x
  2. Step 2: Convert to fraction form
    1,776,407.70/2,492,569.50 = 1,776,407.70/x
  3. Step 3: Cross multiply
    1,776,407.70x = 2,492,569.50 × 1,776,407.70
  4. Step 4: Simplify right side
    1,776,407.70x = 4,427,819,652,585.15
  5. Step 5: Solve for x
    x = 4,427,819,652,585.15/1,776,407.70
  6. Step 6: Final answer
    x = 2,492,569.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.