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Finding the Fourth Proportional to 497,482.39, 686,527.97 and 282,634.24

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Solution

The fourth proportional to 497,482.39, 686,527.97 and 282,634.24 is: 390,036.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,482.39 : 686,527.97 = 282,634.24 : x
  2. Step 2: Convert to fraction form
    497,482.39/686,527.97 = 282,634.24/x
  3. Step 3: Cross multiply
    497,482.39x = 686,527.97 × 282,634.24
  4. Step 4: Simplify right side
    497,482.39x = 194,036,309,626.52
  5. Step 5: Solve for x
    x = 194,036,309,626.52/497,482.39
  6. Step 6: Final answer
    x = 390,036.54

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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.