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Finding the Fourth Proportional to 468,403.83, 646,397.42 and 253,543.23

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Solution

The fourth proportional to 468,403.83, 646,397.42 and 253,543.23 is: 349,889.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,403.83 : 646,397.42 = 253,543.23 : x
  2. Step 2: Convert to fraction form
    468,403.83/646,397.42 = 253,543.23/x
  3. Step 3: Cross multiply
    468,403.83x = 646,397.42 × 253,543.23
  4. Step 4: Simplify right side
    468,403.83x = 163,889,688,462.75
  5. Step 5: Solve for x
    x = 163,889,688,462.75/468,403.83
  6. Step 6: Final answer
    x = 349,889.73

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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.