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Finding the Fourth Proportional to 623,039.87, 860,082.05 and 364,880.93

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Solution

The fourth proportional to 623,039.87, 860,082.05 and 364,880.93 is: 503,703.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,039.87 : 860,082.05 = 364,880.93 : x
  2. Step 2: Convert to fraction form
    623,039.87/860,082.05 = 364,880.93/x
  3. Step 3: Cross multiply
    623,039.87x = 860,082.05 × 364,880.93
  4. Step 4: Simplify right side
    623,039.87x = 313,827,532,155.49
  5. Step 5: Solve for x
    x = 313,827,532,155.49/623,039.87
  6. Step 6: Final answer
    x = 503,703.77

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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.