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Finding the Fourth Proportional to 581,563,273.60, 872,820,801.60 and 577,028,310.40

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Solution

The fourth proportional to 581,563,273.60, 872,820,801.60 and 577,028,310.40 is: 866,014,645.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,563,273.60 : 872,820,801.60 = 577,028,310.40 : x
  2. Step 2: Convert to fraction form
    581,563,273.60/872,820,801.60 = 577,028,310.40/x
  3. Step 3: Cross multiply
    581,563,273.60x = 872,820,801.60 × 577,028,310.40
  4. Step 4: Simplify right side
    581,563,273.60x = 503,642,312,429,221,632
  5. Step 5: Solve for x
    x = 503,642,312,429,221,632/581,563,273.60
  6. Step 6: Final answer
    x = 866,014,645.86

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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.