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Finding the Fourth Proportional to 477,129,055.20, 715,693,582.80 and 354,685,048.80

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Solution

The fourth proportional to 477,129,055.20, 715,693,582.80 and 354,685,048.80 is: 532,027,573.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,129,055.20 : 715,693,582.80 = 354,685,048.80 : x
  2. Step 2: Convert to fraction form
    477,129,055.20/715,693,582.80 = 354,685,048.80/x
  3. Step 3: Cross multiply
    477,129,055.20x = 715,693,582.80 × 354,685,048.80
  4. Step 4: Simplify right side
    477,129,055.20x = 253,845,813,341,264,832
  5. Step 5: Solve for x
    x = 253,845,813,341,264,832/477,129,055.20
  6. Step 6: Final answer
    x = 532,027,573.20

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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.