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Finding the Fourth Proportional to 329,688,980.01, 454,971,687.65 and 181,019,730.57

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Solution

The fourth proportional to 329,688,980.01, 454,971,687.65 and 181,019,730.57 is: 249,807,719.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,688,980.01 : 454,971,687.65 = 181,019,730.57 : x
  2. Step 2: Convert to fraction form
    329,688,980.01/454,971,687.65 = 181,019,730.57/x
  3. Step 3: Cross multiply
    329,688,980.01x = 454,971,687.65 × 181,019,730.57
  4. Step 4: Simplify right side
    329,688,980.01x = 82,358,852,314,476,096
  5. Step 5: Solve for x
    x = 82,358,852,314,476,096/329,688,980.01
  6. Step 6: Final answer
    x = 249,807,719.72

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Why These Related Problems?

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