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Finding the Fourth Proportional to 211,318,829.40, 296,249,469 and 211,318,829.40

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Solution

The fourth proportional to 211,318,829.40, 296,249,469 and 211,318,829.40 is: 296,249,469

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,318,829.40 : 296,249,469 = 211,318,829.40 : x
  2. Step 2: Convert to fraction form
    211,318,829.40/296,249,469 = 211,318,829.40/x
  3. Step 3: Cross multiply
    211,318,829.40x = 296,249,469 × 211,318,829.40
  4. Step 4: Simplify right side
    211,318,829.40x = 62,603,090,999,451,592
  5. Step 5: Solve for x
    x = 62,603,090,999,451,592/211,318,829.40
  6. Step 6: Final answer
    x = 296,249,469

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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.