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Finding the Fourth Proportional to 476,303.94, 717,307.16 and 433,788.66

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Solution

The fourth proportional to 476,303.94, 717,307.16 and 433,788.66 is: 653,279.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,303.94 : 717,307.16 = 433,788.66 : x
  2. Step 2: Convert to fraction form
    476,303.94/717,307.16 = 433,788.66/x
  3. Step 3: Cross multiply
    476,303.94x = 717,307.16 × 433,788.66
  4. Step 4: Simplify right side
    476,303.94x = 311,159,709,575.86
  5. Step 5: Solve for x
    x = 311,159,709,575.86/476,303.94
  6. Step 6: Final answer
    x = 653,279.73

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.