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Finding the Fourth Proportional to 602,070.24, 903,646.80 and 321,827.04

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Solution

The fourth proportional to 602,070.24, 903,646.80 and 321,827.04 is: 483,029.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,070.24 : 903,646.80 = 321,827.04 : x
  2. Step 2: Convert to fraction form
    602,070.24/903,646.80 = 321,827.04/x
  3. Step 3: Cross multiply
    602,070.24x = 903,646.80 × 321,827.04
  4. Step 4: Simplify right side
    602,070.24x = 290,817,974,849.47
  5. Step 5: Solve for x
    x = 290,817,974,849.47/602,070.24
  6. Step 6: Final answer
    x = 483,029.98

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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.