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Finding the Fourth Proportional to 602,248.23, 903,421.49 and 302,574.15

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Solution

The fourth proportional to 602,248.23, 903,421.49 and 302,574.15 is: 453,885.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,248.23 : 903,421.49 = 302,574.15 : x
  2. Step 2: Convert to fraction form
    602,248.23/903,421.49 = 302,574.15/x
  3. Step 3: Cross multiply
    602,248.23x = 903,421.49 × 302,574.15
  4. Step 4: Simplify right side
    602,248.23x = 273,351,987,915.61
  5. Step 5: Solve for x
    x = 273,351,987,915.61/602,248.23
  6. Step 6: Final answer
    x = 453,885.91

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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.