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Finding the Fourth Proportional to 249,003,323.40, 372,833,138.70 and 249,003,323.40

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Solution

The fourth proportional to 249,003,323.40, 372,833,138.70 and 249,003,323.40 is: 372,833,138.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,003,323.40 : 372,833,138.70 = 249,003,323.40 : x
  2. Step 2: Convert to fraction form
    249,003,323.40/372,833,138.70 = 249,003,323.40/x
  3. Step 3: Cross multiply
    249,003,323.40x = 372,833,138.70 × 249,003,323.40
  4. Step 4: Simplify right side
    249,003,323.40x = 92,836,690,609,953,152
  5. Step 5: Solve for x
    x = 92,836,690,609,953,152/249,003,323.40
  6. Step 6: Final answer
    x = 372,833,138.70

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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.