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Finding the Fourth Proportional to 551,818.08, 761,505.84 and 336,928.32

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Solution

The fourth proportional to 551,818.08, 761,505.84 and 336,928.32 is: 464,959.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,818.08 : 761,505.84 = 336,928.32 : x
  2. Step 2: Convert to fraction form
    551,818.08/761,505.84 = 336,928.32/x
  3. Step 3: Cross multiply
    551,818.08x = 761,505.84 × 336,928.32
  4. Step 4: Simplify right side
    551,818.08x = 256,572,883,341.39
  5. Step 5: Solve for x
    x = 256,572,883,341.39/551,818.08
  6. Step 6: Final answer
    x = 464,959.18

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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.