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Finding the Fourth Proportional to 652,756.52, 900,780.62 and 362,380.70

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Solution

The fourth proportional to 652,756.52, 900,780.62 and 362,380.70 is: 500,072.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,756.52 : 900,780.62 = 362,380.70 : x
  2. Step 2: Convert to fraction form
    652,756.52/900,780.62 = 362,380.70/x
  3. Step 3: Cross multiply
    652,756.52x = 900,780.62 × 362,380.70
  4. Step 4: Simplify right side
    652,756.52x = 326,425,512,062.08
  5. Step 5: Solve for x
    x = 326,425,512,062.08/652,756.52
  6. Step 6: Final answer
    x = 500,072.39

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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.