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Finding the Fourth Proportional to 560,071,296.80, 840,106,945.20 and 483,480,807.20

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Solution

The fourth proportional to 560,071,296.80, 840,106,945.20 and 483,480,807.20 is: 725,221,210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,071,296.80 : 840,106,945.20 = 483,480,807.20 : x
  2. Step 2: Convert to fraction form
    560,071,296.80/840,106,945.20 = 483,480,807.20/x
  3. Step 3: Cross multiply
    560,071,296.80x = 840,106,945.20 × 483,480,807.20
  4. Step 4: Simplify right side
    560,071,296.80x = 406,175,583,999,622,208
  5. Step 5: Solve for x
    x = 406,175,583,999,622,208/560,071,296.80
  6. Step 6: Final answer
    x = 725,221,210.80

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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.