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Finding the Fourth Proportional to 573,439,626.80, 858,883,981.80 and 471,402,954.80

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Solution

The fourth proportional to 573,439,626.80, 858,883,981.80 and 471,402,954.80 is: 706,055,926.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,439,626.80 : 858,883,981.80 = 471,402,954.80 : x
  2. Step 2: Convert to fraction form
    573,439,626.80/858,883,981.80 = 471,402,954.80/x
  3. Step 3: Cross multiply
    573,439,626.80x = 858,883,981.80 × 471,402,954.80
  4. Step 4: Simplify right side
    573,439,626.80x = 404,880,446,850,909,440
  5. Step 5: Solve for x
    x = 404,880,446,850,909,440/573,439,626.80
  6. Step 6: Final answer
    x = 706,055,926.25

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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.