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Finding the Fourth Proportional to 302,502.40, 453,753.60 and 105,510.40

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Solution

The fourth proportional to 302,502.40, 453,753.60 and 105,510.40 is: 158,265.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,502.40 : 453,753.60 = 105,510.40 : x
  2. Step 2: Convert to fraction form
    302,502.40/453,753.60 = 105,510.40/x
  3. Step 3: Cross multiply
    302,502.40x = 453,753.60 × 105,510.40
  4. Step 4: Simplify right side
    302,502.40x = 47,875,723,837.44
  5. Step 5: Solve for x
    x = 47,875,723,837.44/302,502.40
  6. Step 6: Final answer
    x = 158,265.60

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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.