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Finding the Fourth Proportional to 479,549,314.60, 719,323,971.90 and 479,549,314.60

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Solution

The fourth proportional to 479,549,314.60, 719,323,971.90 and 479,549,314.60 is: 719,323,971.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,549,314.60 : 719,323,971.90 = 479,549,314.60 : x
  2. Step 2: Convert to fraction form
    479,549,314.60/719,323,971.90 = 479,549,314.60/x
  3. Step 3: Cross multiply
    479,549,314.60x = 719,323,971.90 × 479,549,314.60
  4. Step 4: Simplify right side
    479,549,314.60x = 344,951,317,699,994,688
  5. Step 5: Solve for x
    x = 344,951,317,699,994,688/479,549,314.60
  6. Step 6: Final answer
    x = 719,323,971.90

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Double scale
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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.