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Finding the Fourth Proportional to 573,439,627.30, 858,883,982.55 and 471,402,955.30

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Solution

The fourth proportional to 573,439,627.30, 858,883,982.55 and 471,402,955.30 is: 706,055,927.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,439,627.30 : 858,883,982.55 = 471,402,955.30 : x
  2. Step 2: Convert to fraction form
    573,439,627.30/858,883,982.55 = 471,402,955.30/x
  3. Step 3: Cross multiply
    573,439,627.30x = 858,883,982.55 × 471,402,955.30
  4. Step 4: Simplify right side
    573,439,627.30x = 404,880,447,633,903,616
  5. Step 5: Solve for x
    x = 404,880,447,633,903,616/573,439,627.30
  6. Step 6: Final answer
    x = 706,055,927.00

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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.