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Finding the Fourth Proportional to 571,931,570.05, 857,897,355.08 and 571,931,570.05

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Solution

The fourth proportional to 571,931,570.05, 857,897,355.08 and 571,931,570.05 is: 857,897,355.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,931,570.05 : 857,897,355.08 = 571,931,570.05 : x
  2. Step 2: Convert to fraction form
    571,931,570.05/857,897,355.08 = 571,931,570.05/x
  3. Step 3: Cross multiply
    571,931,570.05x = 857,897,355.08 × 571,931,570.05
  4. Step 4: Simplify right side
    571,931,570.05x = 490,658,581,232,646,720
  5. Step 5: Solve for x
    x = 490,658,581,232,646,720/571,931,570.05
  6. Step 6: Final answer
    x = 857,897,355.08

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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.