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Finding the Fourth Proportional to 424,985.82, 586,482.57 and 243,704.58

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Solution

The fourth proportional to 424,985.82, 586,482.57 and 243,704.58 is: 336,313.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,985.82 : 586,482.57 = 243,704.58 : x
  2. Step 2: Convert to fraction form
    424,985.82/586,482.57 = 243,704.58/x
  3. Step 3: Cross multiply
    424,985.82x = 586,482.57 × 243,704.58
  4. Step 4: Simplify right side
    424,985.82x = 142,928,488,399.17
  5. Step 5: Solve for x
    x = 142,928,488,399.17/424,985.82
  6. Step 6: Final answer
    x = 336,313.55

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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.