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Finding the Fourth Proportional to 715,596.42, 986,506.67 and 569,118.04

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Solution

The fourth proportional to 715,596.42, 986,506.67 and 569,118.04 is: 784,574.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,596.42 : 986,506.67 = 569,118.04 : x
  2. Step 2: Convert to fraction form
    715,596.42/986,506.67 = 569,118.04/x
  3. Step 3: Cross multiply
    715,596.42x = 986,506.67 × 569,118.04
  4. Step 4: Simplify right side
    715,596.42x = 561,438,739,631.74
  5. Step 5: Solve for x
    x = 561,438,739,631.74/715,596.42
  6. Step 6: Final answer
    x = 784,574.56

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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.