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Finding the Fourth Proportional to 602,193.25, 831,037.34 and 330,258.77

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Solution

The fourth proportional to 602,193.25, 831,037.34 and 330,258.77 is: 455,762.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,193.25 : 831,037.34 = 330,258.77 : x
  2. Step 2: Convert to fraction form
    602,193.25/831,037.34 = 330,258.77/x
  3. Step 3: Cross multiply
    602,193.25x = 831,037.34 × 330,258.77
  4. Step 4: Simplify right side
    602,193.25x = 274,457,363,925.99
  5. Step 5: Solve for x
    x = 274,457,363,925.99/602,193.25
  6. Step 6: Final answer
    x = 455,762.94

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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.