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Finding the Fourth Proportional to 480,588.51, 663,185.65 and 265,714.40

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Solution

The fourth proportional to 480,588.51, 663,185.65 and 265,714.40 is: 366,671.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,588.51 : 663,185.65 = 265,714.40 : x
  2. Step 2: Convert to fraction form
    480,588.51/663,185.65 = 265,714.40/x
  3. Step 3: Cross multiply
    480,588.51x = 663,185.65 × 265,714.40
  4. Step 4: Simplify right side
    480,588.51x = 176,217,976,414.07
  5. Step 5: Solve for x
    x = 176,217,976,414.07/480,588.51
  6. Step 6: Final answer
    x = 366,671.22

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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.