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Finding the Fourth Proportional to 286,520.04, 429,832.80 and 94,405.32

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Solution

The fourth proportional to 286,520.04, 429,832.80 and 94,405.32 is: 141,625.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,520.04 : 429,832.80 = 94,405.32 : x
  2. Step 2: Convert to fraction form
    286,520.04/429,832.80 = 94,405.32/x
  3. Step 3: Cross multiply
    286,520.04x = 429,832.80 × 94,405.32
  4. Step 4: Simplify right side
    286,520.04x = 40,578,503,030.50
  5. Step 5: Solve for x
    x = 40,578,503,030.50/286,520.04
  6. Step 6: Final answer
    x = 141,625.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.