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Finding the Fourth Proportional to 284,124.06, 392,074.62 and 156,799.32

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Solution

The fourth proportional to 284,124.06, 392,074.62 and 156,799.32 is: 216,373.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,124.06 : 392,074.62 = 156,799.32 : x
  2. Step 2: Convert to fraction form
    284,124.06/392,074.62 = 156,799.32/x
  3. Step 3: Cross multiply
    284,124.06x = 392,074.62 × 156,799.32
  4. Step 4: Simplify right side
    284,124.06x = 61,477,033,805.26
  5. Step 5: Solve for x
    x = 61,477,033,805.26/284,124.06
  6. Step 6: Final answer
    x = 216,373.91

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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.