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Finding the Fourth Proportional to 559,404.90, 839,763.45 and 555,468.30

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Solution

The fourth proportional to 559,404.90, 839,763.45 and 555,468.30 is: 833,853.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,404.90 : 839,763.45 = 555,468.30 : x
  2. Step 2: Convert to fraction form
    559,404.90/839,763.45 = 555,468.30/x
  3. Step 3: Cross multiply
    559,404.90x = 839,763.45 × 555,468.30
  4. Step 4: Simplify right side
    559,404.90x = 466,461,975,973.64
  5. Step 5: Solve for x
    x = 466,461,975,973.64/559,404.90
  6. Step 6: Final answer
    x = 833,853.93

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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.