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Finding the Fourth Proportional to 328,312.58, 452,994.19 and 199,248.19

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Solution

The fourth proportional to 328,312.58, 452,994.19 and 199,248.19 is: 274,915.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,312.58 : 452,994.19 = 199,248.19 : x
  2. Step 2: Convert to fraction form
    328,312.58/452,994.19 = 199,248.19/x
  3. Step 3: Cross multiply
    328,312.58x = 452,994.19 × 199,248.19
  4. Step 4: Simplify right side
    328,312.58x = 90,258,271,441.78
  5. Step 5: Solve for x
    x = 90,258,271,441.78/328,312.58
  6. Step 6: Final answer
    x = 274,915.67

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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.