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Finding the Fourth Proportional to 577,371,602.70, 866,057,404.05 and 572,269,769.10

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Solution

The fourth proportional to 577,371,602.70, 866,057,404.05 and 572,269,769.10 is: 858,404,653.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,371,602.70 : 866,057,404.05 = 572,269,769.10 : x
  2. Step 2: Convert to fraction form
    577,371,602.70/866,057,404.05 = 572,269,769.10/x
  3. Step 3: Cross multiply
    577,371,602.70x = 866,057,404.05 × 572,269,769.10
  4. Step 4: Simplify right side
    577,371,602.70x = 495,618,470,643,038,912
  5. Step 5: Solve for x
    x = 495,618,470,643,038,912/577,371,602.70
  6. Step 6: Final answer
    x = 858,404,653.65

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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.