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Finding the Fourth Proportional to 446,685.06, 616,477.80 and 265,398.48

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Solution

The fourth proportional to 446,685.06, 616,477.80 and 265,398.48 is: 366,281.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,685.06 : 616,477.80 = 265,398.48 : x
  2. Step 2: Convert to fraction form
    446,685.06/616,477.80 = 265,398.48/x
  3. Step 3: Cross multiply
    446,685.06x = 616,477.80 × 265,398.48
  4. Step 4: Simplify right side
    446,685.06x = 163,612,271,073.74
  5. Step 5: Solve for x
    x = 163,612,271,073.74/446,685.06
  6. Step 6: Final answer
    x = 366,281.05

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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.