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Finding the Fourth Proportional to 303,396.60, 454,985.55 and 153,587.10

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Solution

The fourth proportional to 303,396.60, 454,985.55 and 153,587.10 is: 230,325.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,396.60 : 454,985.55 = 153,587.10 : x
  2. Step 2: Convert to fraction form
    303,396.60/454,985.55 = 153,587.10/x
  3. Step 3: Cross multiply
    303,396.60x = 454,985.55 × 153,587.10
  4. Step 4: Simplify right side
    303,396.60x = 69,879,911,166.41
  5. Step 5: Solve for x
    x = 69,879,911,166.41/303,396.60
  6. Step 6: Final answer
    x = 230,325.29

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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.