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Finding the Fourth Proportional to 602,904.84, 832,074.78 and 344,805.72

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Solution

The fourth proportional to 602,904.84, 832,074.78 and 344,805.72 is: 475,869.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,904.84 : 832,074.78 = 344,805.72 : x
  2. Step 2: Convert to fraction form
    602,904.84/832,074.78 = 344,805.72/x
  3. Step 3: Cross multiply
    602,904.84x = 832,074.78 × 344,805.72
  4. Step 4: Simplify right side
    602,904.84x = 286,904,143,611.74
  5. Step 5: Solve for x
    x = 286,904,143,611.74/602,904.84
  6. Step 6: Final answer
    x = 475,869.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.