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Finding the Fourth Proportional to 607,543.68, 911,444.40 and 208,077.24

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Solution

The fourth proportional to 607,543.68, 911,444.40 and 208,077.24 is: 312,160.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,543.68 : 911,444.40 = 208,077.24 : x
  2. Step 2: Convert to fraction form
    607,543.68/911,444.40 = 208,077.24/x
  3. Step 3: Cross multiply
    607,543.68x = 911,444.40 × 208,077.24
  4. Step 4: Simplify right side
    607,543.68x = 189,650,835,165.46
  5. Step 5: Solve for x
    x = 189,650,835,165.46/607,543.68
  6. Step 6: Final answer
    x = 312,160.00

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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.