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Finding the Fourth Proportional to 588,552, 812,145.60 and 330,369.84

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Solution

The fourth proportional to 588,552, 812,145.60 and 330,369.84 is: 455,878.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,552 : 812,145.60 = 330,369.84 : x
  2. Step 2: Convert to fraction form
    588,552/812,145.60 = 330,369.84/x
  3. Step 3: Cross multiply
    588,552x = 812,145.60 × 330,369.84
  4. Step 4: Simplify right side
    588,552x = 268,308,411,928.70
  5. Step 5: Solve for x
    x = 268,308,411,928.70/588,552
  6. Step 6: Final answer
    x = 455,878.86

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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.