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Finding the Fourth Proportional to 602,193.40, 831,037.55 and 330,258.92

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Solution

The fourth proportional to 602,193.40, 831,037.55 and 330,258.92 is: 455,763.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,193.40 : 831,037.55 = 330,258.92 : x
  2. Step 2: Convert to fraction form
    602,193.40/831,037.55 = 330,258.92/x
  3. Step 3: Cross multiply
    602,193.40x = 831,037.55 × 330,258.92
  4. Step 4: Simplify right side
    602,193.40x = 274,457,563,742.45
  5. Step 5: Solve for x
    x = 274,457,563,742.45/602,193.40
  6. Step 6: Final answer
    x = 455,763.15

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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.