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Finding the Fourth Proportional to 652,640.76, 900,698.54 and 362,279.66

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Solution

The fourth proportional to 652,640.76, 900,698.54 and 362,279.66 is: 499,976.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,640.76 : 900,698.54 = 362,279.66 : x
  2. Step 2: Convert to fraction form
    652,640.76/900,698.54 = 362,279.66/x
  3. Step 3: Cross multiply
    652,640.76x = 900,698.54 × 362,279.66
  4. Step 4: Simplify right side
    652,640.76x = 326,304,754,518.81
  5. Step 5: Solve for x
    x = 326,304,754,518.81/652,640.76
  6. Step 6: Final answer
    x = 499,976.06

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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.