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Finding the Fourth Proportional to 436,595.64, 655,002.40 and 152,290.24

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Solution

The fourth proportional to 436,595.64, 655,002.40 and 152,290.24 is: 228,473.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,595.64 : 655,002.40 = 152,290.24 : x
  2. Step 2: Convert to fraction form
    436,595.64/655,002.40 = 152,290.24/x
  3. Step 3: Cross multiply
    436,595.64x = 655,002.40 × 152,290.24
  4. Step 4: Simplify right side
    436,595.64x = 99,750,472,696.58
  5. Step 5: Solve for x
    x = 99,750,472,696.58/436,595.64
  6. Step 6: Final answer
    x = 228,473.36

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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.