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Finding the Fourth Proportional to 434,172,279.60, 609,453,622.80 and 434,172,279.60

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Solution

The fourth proportional to 434,172,279.60, 609,453,622.80 and 434,172,279.60 is: 609,453,622.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,172,279.60 : 609,453,622.80 = 434,172,279.60 : x
  2. Step 2: Convert to fraction form
    434,172,279.60/609,453,622.80 = 434,172,279.60/x
  3. Step 3: Cross multiply
    434,172,279.60x = 609,453,622.80 × 434,172,279.60
  4. Step 4: Simplify right side
    434,172,279.60x = 264,607,868,721,554,528
  5. Step 5: Solve for x
    x = 264,607,868,721,554,528/434,172,279.60
  6. Step 6: Final answer
    x = 609,453,622.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.