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Finding the Fourth Proportional to 620,241,756.60, 855,939,364.44 and 341,793,244.92

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Solution

The fourth proportional to 620,241,756.60, 855,939,364.44 and 341,793,244.92 is: 471,677,841.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,241,756.60 : 855,939,364.44 = 341,793,244.92 : x
  2. Step 2: Convert to fraction form
    620,241,756.60/855,939,364.44 = 341,793,244.92/x
  3. Step 3: Cross multiply
    620,241,756.60x = 855,939,364.44 × 341,793,244.92
  4. Step 4: Simplify right side
    620,241,756.60x = 292,554,292,826,710,080
  5. Step 5: Solve for x
    x = 292,554,292,826,710,080/620,241,756.60
  6. Step 6: Final answer
    x = 471,677,841.28

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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.