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Finding the Fourth Proportional to 517,063.55, 713,314.49 and 302,106.96

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Solution

The fourth proportional to 517,063.55, 713,314.49 and 302,106.96 is: 416,771.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,063.55 : 713,314.49 = 302,106.96 : x
  2. Step 2: Convert to fraction form
    517,063.55/713,314.49 = 302,106.96/x
  3. Step 3: Cross multiply
    517,063.55x = 713,314.49 × 302,106.96
  4. Step 4: Simplify right side
    517,063.55x = 215,497,270,587.32
  5. Step 5: Solve for x
    x = 215,497,270,587.32/517,063.55
  6. Step 6: Final answer
    x = 416,771.35

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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.