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Finding the Fourth Proportional to 606,242,562.60, 909,363,843.90 and 545,020,559.40

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Solution

The fourth proportional to 606,242,562.60, 909,363,843.90 and 545,020,559.40 is: 817,530,839.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,242,562.60 : 909,363,843.90 = 545,020,559.40 : x
  2. Step 2: Convert to fraction form
    606,242,562.60/909,363,843.90 = 545,020,559.40/x
  3. Step 3: Cross multiply
    606,242,562.60x = 909,363,843.90 × 545,020,559.40
  4. Step 4: Simplify right side
    606,242,562.60x = 495,621,990,900,512,256
  5. Step 5: Solve for x
    x = 495,621,990,900,512,256/606,242,562.60
  6. Step 6: Final answer
    x = 817,530,839.10

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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.