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Finding the Fourth Proportional to 597,276.80, 894,878.40 and 386,806.40

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Solution

The fourth proportional to 597,276.80, 894,878.40 and 386,806.40 is: 579,538.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,276.80 : 894,878.40 = 386,806.40 : x
  2. Step 2: Convert to fraction form
    597,276.80/894,878.40 = 386,806.40/x
  3. Step 3: Cross multiply
    597,276.80x = 894,878.40 × 386,806.40
  4. Step 4: Simplify right side
    597,276.80x = 346,144,692,341.76
  5. Step 5: Solve for x
    x = 346,144,692,341.76/597,276.80
  6. Step 6: Final answer
    x = 579,538.15

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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.