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Finding the Fourth Proportional to 240,537,688.20, 360,806,532.30 and 240,537,688.20

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Solution

The fourth proportional to 240,537,688.20, 360,806,532.30 and 240,537,688.20 is: 360,806,532.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,537,688.20 : 360,806,532.30 = 240,537,688.20 : x
  2. Step 2: Convert to fraction form
    240,537,688.20/360,806,532.30 = 240,537,688.20/x
  3. Step 3: Cross multiply
    240,537,688.20x = 360,806,532.30 × 240,537,688.20
  4. Step 4: Simplify right side
    240,537,688.20x = 86,787,569,166,900,624
  5. Step 5: Solve for x
    x = 86,787,569,166,900,624/240,537,688.20
  6. Step 6: Final answer
    x = 360,806,532.30

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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.