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Finding the Fourth Proportional to 468,117.68, 646,007.08 and 253,262.36

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Solution

The fourth proportional to 468,117.68, 646,007.08 and 253,262.36 is: 349,504.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,117.68 : 646,007.08 = 253,262.36 : x
  2. Step 2: Convert to fraction form
    468,117.68/646,007.08 = 253,262.36/x
  3. Step 3: Cross multiply
    468,117.68x = 646,007.08 × 253,262.36
  4. Step 4: Simplify right side
    468,117.68x = 163,609,277,657.51
  5. Step 5: Solve for x
    x = 163,609,277,657.51/468,117.68
  6. Step 6: Final answer
    x = 349,504.59

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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.