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Finding the Fourth Proportional to 476,303.85, 717,307.01 and 433,788.57

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Solution

The fourth proportional to 476,303.85, 717,307.01 and 433,788.57 is: 653,279.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,303.85 : 717,307.01 = 433,788.57 : x
  2. Step 2: Convert to fraction form
    476,303.85/717,307.01 = 433,788.57/x
  3. Step 3: Cross multiply
    476,303.85x = 717,307.01 × 433,788.57
  4. Step 4: Simplify right side
    476,303.85x = 311,159,580,513.45
  5. Step 5: Solve for x
    x = 311,159,580,513.45/476,303.85
  6. Step 6: Final answer
    x = 653,279.59

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1.5x scale

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.