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Finding the Fourth Proportional to 632,697.30, 873,122.13 and 346,217.28

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Solution

The fourth proportional to 632,697.30, 873,122.13 and 346,217.28 is: 477,779.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,697.30 : 873,122.13 = 346,217.28 : x
  2. Step 2: Convert to fraction form
    632,697.30/873,122.13 = 346,217.28/x
  3. Step 3: Cross multiply
    632,697.30x = 873,122.13 × 346,217.28
  4. Step 4: Simplify right side
    632,697.30x = 302,289,968,956.41
  5. Step 5: Solve for x
    x = 302,289,968,956.41/632,697.30
  6. Step 6: Final answer
    x = 477,779.77

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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.