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Finding the Fourth Proportional to 583,688.04, 805,489.02 and 315,416.04

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Solution

The fourth proportional to 583,688.04, 805,489.02 and 315,416.04 is: 435,273.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,688.04 : 805,489.02 = 315,416.04 : x
  2. Step 2: Convert to fraction form
    583,688.04/805,489.02 = 315,416.04/x
  3. Step 3: Cross multiply
    583,688.04x = 805,489.02 × 315,416.04
  4. Step 4: Simplify right side
    583,688.04x = 254,064,156,951.88
  5. Step 5: Solve for x
    x = 254,064,156,951.88/583,688.04
  6. Step 6: Final answer
    x = 435,273.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.