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Finding the Fourth Proportional to 602,191.56, 828,938.52 and 520,482.54

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Solution

The fourth proportional to 602,191.56, 828,938.52 and 520,482.54 is: 716,463.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,191.56 : 828,938.52 = 520,482.54 : x
  2. Step 2: Convert to fraction form
    602,191.56/828,938.52 = 520,482.54/x
  3. Step 3: Cross multiply
    602,191.56x = 828,938.52 × 520,482.54
  4. Step 4: Simplify right side
    602,191.56x = 431,448,026,393.44
  5. Step 5: Solve for x
    x = 431,448,026,393.44/602,191.56
  6. Step 6: Final answer
    x = 716,463.09

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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.