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Finding the Fourth Proportional to 375,641,881.04, 518,308,169.16 and 216,869,252.68

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Solution

The fourth proportional to 375,641,881.04, 518,308,169.16 and 216,869,252.68 is: 299,234,752.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,641,881.04 : 518,308,169.16 = 216,869,252.68 : x
  2. Step 2: Convert to fraction form
    375,641,881.04/518,308,169.16 = 216,869,252.68/x
  3. Step 3: Cross multiply
    375,641,881.04x = 518,308,169.16 × 216,869,252.68
  4. Step 4: Simplify right side
    375,641,881.04x = 112,405,105,303,668,240
  5. Step 5: Solve for x
    x = 112,405,105,303,668,240/375,641,881.04
  6. Step 6: Final answer
    x = 299,234,752.51

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.