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Finding the Fourth Proportional to 604,592.20, 907,763.10 and 455,876.20

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Solution

The fourth proportional to 604,592.20, 907,763.10 and 455,876.20 is: 684,473.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,592.20 : 907,763.10 = 455,876.20 : x
  2. Step 2: Convert to fraction form
    604,592.20/907,763.10 = 455,876.20/x
  3. Step 3: Cross multiply
    604,592.20x = 907,763.10 × 455,876.20
  4. Step 4: Simplify right side
    604,592.20x = 413,827,592,528.22
  5. Step 5: Solve for x
    x = 413,827,592,528.22/604,592.20
  6. Step 6: Final answer
    x = 684,473.92

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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.