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Finding the Fourth Proportional to 890,549.84, 1,336,262.84 and 417,153.36

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Solution

The fourth proportional to 890,549.84, 1,336,262.84 and 417,153.36 is: 625,935.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,549.84 : 1,336,262.84 = 417,153.36 : x
  2. Step 2: Convert to fraction form
    890,549.84/1,336,262.84 = 417,153.36/x
  3. Step 3: Cross multiply
    890,549.84x = 1,336,262.84 × 417,153.36
  4. Step 4: Simplify right side
    890,549.84x = 557,426,533,549.14
  5. Step 5: Solve for x
    x = 557,426,533,549.14/890,549.84
  6. Step 6: Final answer
    x = 625,935.25

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1.5x scale

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.