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Finding the Fourth Proportional to 590,976,129.60, 828,727,070.40 and 590,976,129.60

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Solution

The fourth proportional to 590,976,129.60, 828,727,070.40 and 590,976,129.60 is: 828,727,070.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,976,129.60 : 828,727,070.40 = 590,976,129.60 : x
  2. Step 2: Convert to fraction form
    590,976,129.60/828,727,070.40 = 590,976,129.60/x
  3. Step 3: Cross multiply
    590,976,129.60x = 828,727,070.40 × 590,976,129.60
  4. Step 4: Simplify right side
    590,976,129.60x = 489,757,916,559,738,752
  5. Step 5: Solve for x
    x = 489,757,916,559,738,752/590,976,129.60
  6. Step 6: Final answer
    x = 828,727,070.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.