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Finding the Fourth Proportional to 537,293,317.60, 804,596,283.60 and 429,797,893.60

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Solution

The fourth proportional to 537,293,317.60, 804,596,283.60 and 429,797,893.60 is: 643,621,978.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,293,317.60 : 804,596,283.60 = 429,797,893.60 : x
  2. Step 2: Convert to fraction form
    537,293,317.60/804,596,283.60 = 429,797,893.60/x
  3. Step 3: Cross multiply
    537,293,317.60x = 804,596,283.60 × 429,797,893.60
  4. Step 4: Simplify right side
    537,293,317.60x = 345,813,787,889,668,224
  5. Step 5: Solve for x
    x = 345,813,787,889,668,224/537,293,317.60
  6. Step 6: Final answer
    x = 643,621,978.09

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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.