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Finding the Fourth Proportional to 468,657.93, 646,748.60 and 253,798.32

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Solution

The fourth proportional to 468,657.93, 646,748.60 and 253,798.32 is: 350,242.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,657.93 : 646,748.60 = 253,798.32 : x
  2. Step 2: Convert to fraction form
    468,657.93/646,748.60 = 253,798.32/x
  3. Step 3: Cross multiply
    468,657.93x = 646,748.60 × 253,798.32
  4. Step 4: Simplify right side
    468,657.93x = 164,143,706,873.36
  5. Step 5: Solve for x
    x = 164,143,706,873.36/468,657.93
  6. Step 6: Final answer
    x = 350,242.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.