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Finding the Fourth Proportional to 349,368.30, 523,678.80 and 180,718.92

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Solution

The fourth proportional to 349,368.30, 523,678.80 and 180,718.92 is: 270,885.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,368.30 : 523,678.80 = 180,718.92 : x
  2. Step 2: Convert to fraction form
    349,368.30/523,678.80 = 180,718.92/x
  3. Step 3: Cross multiply
    349,368.30x = 523,678.80 × 180,718.92
  4. Step 4: Simplify right side
    349,368.30x = 94,638,667,162.90
  5. Step 5: Solve for x
    x = 94,638,667,162.90/349,368.30
  6. Step 6: Final answer
    x = 270,885.10

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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.