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Finding the Fourth Proportional to 358,433,813.40, 537,650,720.10 and 358,433,813.40

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Solution

The fourth proportional to 358,433,813.40, 537,650,720.10 and 358,433,813.40 is: 537,650,720.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,433,813.40 : 537,650,720.10 = 358,433,813.40 : x
  2. Step 2: Convert to fraction form
    358,433,813.40/537,650,720.10 = 358,433,813.40/x
  3. Step 3: Cross multiply
    358,433,813.40x = 537,650,720.10 × 358,433,813.40
  4. Step 4: Simplify right side
    358,433,813.40x = 192,712,197,882,699,040
  5. Step 5: Solve for x
    x = 192,712,197,882,699,040/358,433,813.40
  6. Step 6: Final answer
    x = 537,650,720.10

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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.