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Finding the Fourth Proportional to 579,241,567.90, 868,862,351.85 and 579,241,567.90

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Solution

The fourth proportional to 579,241,567.90, 868,862,351.85 and 579,241,567.90 is: 868,862,351.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,241,567.90 : 868,862,351.85 = 579,241,567.90 : x
  2. Step 2: Convert to fraction form
    579,241,567.90/868,862,351.85 = 579,241,567.90/x
  3. Step 3: Cross multiply
    579,241,567.90x = 868,862,351.85 × 579,241,567.90
  4. Step 4: Simplify right side
    579,241,567.90x = 503,281,190,974,875,456
  5. Step 5: Solve for x
    x = 503,281,190,974,875,456/579,241,567.90
  6. Step 6: Final answer
    x = 868,862,351.85

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Double scale
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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.