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Finding the Fourth Proportional to 344,307.64, 475,143.78 and 191,345.32

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Solution

The fourth proportional to 344,307.64, 475,143.78 and 191,345.32 is: 264,056.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,307.64 : 475,143.78 = 191,345.32 : x
  2. Step 2: Convert to fraction form
    344,307.64/475,143.78 = 191,345.32/x
  3. Step 3: Cross multiply
    344,307.64x = 475,143.78 × 191,345.32
  4. Step 4: Simplify right side
    344,307.64x = 90,916,538,630.11
  5. Step 5: Solve for x
    x = 90,916,538,630.11/344,307.64
  6. Step 6: Final answer
    x = 264,056.12

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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.