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Finding the Fourth Proportional to 299,089,746.40, 448,695,272.40 and 169,759,314.40

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Solution

The fourth proportional to 299,089,746.40, 448,695,272.40 and 169,759,314.40 is: 254,673,397.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,089,746.40 : 448,695,272.40 = 169,759,314.40 : x
  2. Step 2: Convert to fraction form
    299,089,746.40/448,695,272.40 = 169,759,314.40/x
  3. Step 3: Cross multiply
    299,089,746.40x = 448,695,272.40 × 169,759,314.40
  4. Step 4: Simplify right side
    299,089,746.40x = 76,170,201,817,145,248
  5. Step 5: Solve for x
    x = 76,170,201,817,145,248/299,089,746.40
  6. Step 6: Final answer
    x = 254,673,397.31

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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.