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Finding the Fourth Proportional to 411,641,586.40, 616,895,509.20 and 273,073,266.40

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Solution

The fourth proportional to 411,641,586.40, 616,895,509.20 and 273,073,266.40 is: 409,233,851.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,641,586.40 : 616,895,509.20 = 273,073,266.40 : x
  2. Step 2: Convert to fraction form
    411,641,586.40/616,895,509.20 = 273,073,266.40/x
  3. Step 3: Cross multiply
    411,641,586.40x = 616,895,509.20 × 273,073,266.40
  4. Step 4: Simplify right side
    411,641,586.40x = 168,457,671,724,735,264
  5. Step 5: Solve for x
    x = 168,457,671,724,735,264/411,641,586.40
  6. Step 6: Final answer
    x = 409,233,851.22

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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.