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Finding the Fourth Proportional to 302,595.30, 453,892.95 and 282,912.30

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Solution

The fourth proportional to 302,595.30, 453,892.95 and 282,912.30 is: 424,368.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,595.30 : 453,892.95 = 282,912.30 : x
  2. Step 2: Convert to fraction form
    302,595.30/453,892.95 = 282,912.30/x
  3. Step 3: Cross multiply
    302,595.30x = 453,892.95 × 282,912.30
  4. Step 4: Simplify right side
    302,595.30x = 128,411,898,438.29
  5. Step 5: Solve for x
    x = 128,411,898,438.29/302,595.30
  6. Step 6: Final answer
    x = 424,368.45

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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.