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Finding the Fourth Proportional to 604,818.30, 907,336.80 and 304,543.20

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Solution

The fourth proportional to 604,818.30, 907,336.80 and 304,543.20 is: 456,869.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,818.30 : 907,336.80 = 304,543.20 : x
  2. Step 2: Convert to fraction form
    604,818.30/907,336.80 = 304,543.20/x
  3. Step 3: Cross multiply
    604,818.30x = 907,336.80 × 304,543.20
  4. Step 4: Simplify right side
    604,818.30x = 276,323,252,549.76
  5. Step 5: Solve for x
    x = 276,323,252,549.76/604,818.30
  6. Step 6: Final answer
    x = 456,869.86

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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.