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Finding the Fourth Proportional to 590,976,240.40, 886,464,360.60 and 573,970,128.40

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Solution

The fourth proportional to 590,976,240.40, 886,464,360.60 and 573,970,128.40 is: 860,955,192.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,976,240.40 : 886,464,360.60 = 573,970,128.40 : x
  2. Step 2: Convert to fraction form
    590,976,240.40/886,464,360.60 = 573,970,128.40/x
  3. Step 3: Cross multiply
    590,976,240.40x = 886,464,360.60 × 573,970,128.40
  4. Step 4: Simplify right side
    590,976,240.40x = 508,804,062,875,605,888
  5. Step 5: Solve for x
    x = 508,804,062,875,605,888/590,976,240.40
  6. Step 6: Final answer
    x = 860,955,192.60

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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.