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Finding the Fourth Proportional to 370,574,706.88, 555,866,051.76 and 111,792,169.12

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Solution

The fourth proportional to 370,574,706.88, 555,866,051.76 and 111,792,169.12 is: 167,689,457.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,574,706.88 : 555,866,051.76 = 111,792,169.12 : x
  2. Step 2: Convert to fraction form
    370,574,706.88/555,866,051.76 = 111,792,169.12/x
  3. Step 3: Cross multiply
    370,574,706.88x = 555,866,051.76 × 111,792,169.12
  4. Step 4: Simplify right side
    370,574,706.88x = 62,141,471,666,420,592
  5. Step 5: Solve for x
    x = 62,141,471,666,420,592/370,574,706.88
  6. Step 6: Final answer
    x = 167,689,457.79

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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.