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Finding the Fourth Proportional to 707,440.35, 976,596.72 and 416,960.28

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Solution

The fourth proportional to 707,440.35, 976,596.72 and 416,960.28 is: 575,599.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,440.35 : 976,596.72 = 416,960.28 : x
  2. Step 2: Convert to fraction form
    707,440.35/976,596.72 = 416,960.28/x
  3. Step 3: Cross multiply
    707,440.35x = 976,596.72 × 416,960.28
  4. Step 4: Simplify right side
    707,440.35x = 407,202,041,818.28
  5. Step 5: Solve for x
    x = 407,202,041,818.28/707,440.35
  6. Step 6: Final answer
    x = 575,599.12

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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.