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Finding the Fourth Proportional to 407,699,322.60, 572,391,483 and 407,699,322.60

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Solution

The fourth proportional to 407,699,322.60, 572,391,483 and 407,699,322.60 is: 572,391,483

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,699,322.60 : 572,391,483 = 407,699,322.60 : x
  2. Step 2: Convert to fraction form
    407,699,322.60/572,391,483 = 407,699,322.60/x
  3. Step 3: Cross multiply
    407,699,322.60x = 572,391,483 × 407,699,322.60
  4. Step 4: Simplify right side
    407,699,322.60x = 233,363,619,881,109,440
  5. Step 5: Solve for x
    x = 233,363,619,881,109,440/407,699,322.60
  6. Step 6: Final answer
    x = 572,391,483

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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.