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Finding the Fourth Proportional to 463,635.20, 695,452.80 and 358,659.20

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Solution

The fourth proportional to 463,635.20, 695,452.80 and 358,659.20 is: 537,988.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,635.20 : 695,452.80 = 358,659.20 : x
  2. Step 2: Convert to fraction form
    463,635.20/695,452.80 = 358,659.20/x
  3. Step 3: Cross multiply
    463,635.20x = 695,452.80 × 358,659.20
  4. Step 4: Simplify right side
    463,635.20x = 249,430,544,885.76
  5. Step 5: Solve for x
    x = 249,430,544,885.76/463,635.20
  6. Step 6: Final answer
    x = 537,988.80

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.