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Finding the Fourth Proportional to 463,927.58, 640,264.94 and 260,012.92

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Solution

The fourth proportional to 463,927.58, 640,264.94 and 260,012.92 is: 358,842.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,927.58 : 640,264.94 = 260,012.92 : x
  2. Step 2: Convert to fraction form
    463,927.58/640,264.94 = 260,012.92/x
  3. Step 3: Cross multiply
    463,927.58x = 640,264.94 × 260,012.92
  4. Step 4: Simplify right side
    463,927.58x = 166,477,156,623.03
  5. Step 5: Solve for x
    x = 166,477,156,623.03/463,927.58
  6. Step 6: Final answer
    x = 358,842.98

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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.