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Finding the Fourth Proportional to 559,348.74, 838,273.05 and 306,248.04

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Solution

The fourth proportional to 559,348.74, 838,273.05 and 306,248.04 is: 458,961.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,348.74 : 838,273.05 = 306,248.04 : x
  2. Step 2: Convert to fraction form
    559,348.74/838,273.05 = 306,248.04/x
  3. Step 3: Cross multiply
    559,348.74x = 838,273.05 × 306,248.04
  4. Step 4: Simplify right side
    559,348.74x = 256,719,478,547.32
  5. Step 5: Solve for x
    x = 256,719,478,547.32/559,348.74
  6. Step 6: Final answer
    x = 458,961.40

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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.