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Finding the Fourth Proportional to 447,152.68, 616,853.88 and 265,736.20

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Solution

The fourth proportional to 447,152.68, 616,853.88 and 265,736.20 is: 366,587.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,152.68 : 616,853.88 = 265,736.20 : x
  2. Step 2: Convert to fraction form
    447,152.68/616,853.88 = 265,736.20/x
  3. Step 3: Cross multiply
    447,152.68x = 616,853.88 × 265,736.20
  4. Step 4: Simplify right side
    447,152.68x = 163,920,406,026.46
  5. Step 5: Solve for x
    x = 163,920,406,026.46/447,152.68
  6. Step 6: Final answer
    x = 366,587.10

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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.