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Finding the Fourth Proportional to 370,607.09, 511,492.65 and 234,653.69

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Solution

The fourth proportional to 370,607.09, 511,492.65 and 234,653.69 is: 323,856.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,607.09 : 511,492.65 = 234,653.69 : x
  2. Step 2: Convert to fraction form
    370,607.09/511,492.65 = 234,653.69/x
  3. Step 3: Cross multiply
    370,607.09x = 511,492.65 × 234,653.69
  4. Step 4: Simplify right side
    370,607.09x = 120,023,637,730.38
  5. Step 5: Solve for x
    x = 120,023,637,730.38/370,607.09
  6. Step 6: Final answer
    x = 323,856.83

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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.