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Finding the Fourth Proportional to 249,318,059.30, 349,619,239.30 and 249,318,059.30

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Solution

The fourth proportional to 249,318,059.30, 349,619,239.30 and 249,318,059.30 is: 349,619,239.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,318,059.30 : 349,619,239.30 = 249,318,059.30 : x
  2. Step 2: Convert to fraction form
    249,318,059.30/349,619,239.30 = 249,318,059.30/x
  3. Step 3: Cross multiply
    249,318,059.30x = 349,619,239.30 × 249,318,059.30
  4. Step 4: Simplify right side
    249,318,059.30x = 87,166,390,236,218,304
  5. Step 5: Solve for x
    x = 87,166,390,236,218,304/249,318,059.30
  6. Step 6: Final answer
    x = 349,619,239.30

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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.