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Finding the Fourth Proportional to 468,454.05, 646,465.86 and 253,594.06

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Solution

The fourth proportional to 468,454.05, 646,465.86 and 253,594.06 is: 349,959.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,454.05 : 646,465.86 = 253,594.06 : x
  2. Step 2: Convert to fraction form
    468,454.05/646,465.86 = 253,594.06/x
  3. Step 3: Cross multiply
    468,454.05x = 646,465.86 × 253,594.06
  4. Step 4: Simplify right side
    468,454.05x = 163,939,900,472.63
  5. Step 5: Solve for x
    x = 163,939,900,472.63/468,454.05
  6. Step 6: Final answer
    x = 349,959.40

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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.