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Finding the Fourth Proportional to 474,861.04, 655,308.39 and 260,014.72

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Solution

The fourth proportional to 474,861.04, 655,308.39 and 260,014.72 is: 358,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,861.04 : 655,308.39 = 260,014.72 : x
  2. Step 2: Convert to fraction form
    474,861.04/655,308.39 = 260,014.72/x
  3. Step 3: Cross multiply
    474,861.04x = 655,308.39 × 260,014.72
  4. Step 4: Simplify right side
    474,861.04x = 170,389,827,539.50
  5. Step 5: Solve for x
    x = 170,389,827,539.50/474,861.04
  6. Step 6: Final answer
    x = 358,820.40

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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.