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Finding the Fourth Proportional to 890,092.94, 1,335,307.88 and 357,655.64

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Solution

The fourth proportional to 890,092.94, 1,335,307.88 and 357,655.64 is: 536,551.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,092.94 : 1,335,307.88 = 357,655.64 : x
  2. Step 2: Convert to fraction form
    890,092.94/1,335,307.88 = 357,655.64/x
  3. Step 3: Cross multiply
    890,092.94x = 1,335,307.88 × 357,655.64
  4. Step 4: Simplify right side
    890,092.94x = 477,580,388,636.04
  5. Step 5: Solve for x
    x = 477,580,388,636.04/890,092.94
  6. Step 6: Final answer
    x = 536,551.15

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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.