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Finding the Fourth Proportional to 974,573.72, 1,460,878.88 and 406,269.21

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Solution

The fourth proportional to 974,573.72, 1,460,878.88 and 406,269.21 is: 608,994.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,573.72 : 1,460,878.88 = 406,269.21 : x
  2. Step 2: Convert to fraction form
    974,573.72/1,460,878.88 = 406,269.21/x
  3. Step 3: Cross multiply
    974,573.72x = 1,460,878.88 × 406,269.21
  4. Step 4: Simplify right side
    974,573.72x = 593,510,106,451.94
  5. Step 5: Solve for x
    x = 593,510,106,451.94/974,573.72
  6. Step 6: Final answer
    x = 608,994.58

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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.