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Finding the Fourth Proportional to 572,448,879.60, 858,673,319.40 and 533,901,692.40

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Solution

The fourth proportional to 572,448,879.60, 858,673,319.40 and 533,901,692.40 is: 800,852,538.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,448,879.60 : 858,673,319.40 = 533,901,692.40 : x
  2. Step 2: Convert to fraction form
    572,448,879.60/858,673,319.40 = 533,901,692.40/x
  3. Step 3: Cross multiply
    572,448,879.60x = 858,673,319.40 × 533,901,692.40
  4. Step 4: Simplify right side
    572,448,879.60x = 458,447,138,446,385,728
  5. Step 5: Solve for x
    x = 458,447,138,446,385,728/572,448,879.60
  6. Step 6: Final answer
    x = 800,852,538.60

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1.5x scale

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.