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Finding the Fourth Proportional to 358,708,996.80, 537,106,901.40 and 358,708,996.80

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Solution

The fourth proportional to 358,708,996.80, 537,106,901.40 and 358,708,996.80 is: 537,106,901.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,708,996.80 : 537,106,901.40 = 358,708,996.80 : x
  2. Step 2: Convert to fraction form
    358,708,996.80/537,106,901.40 = 358,708,996.80/x
  3. Step 3: Cross multiply
    358,708,996.80x = 537,106,901.40 × 358,708,996.80
  4. Step 4: Simplify right side
    358,708,996.80x = 192,665,077,775,550,528
  5. Step 5: Solve for x
    x = 192,665,077,775,550,528/358,708,996.80
  6. Step 6: Final answer
    x = 537,106,901.40

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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.