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Finding the Fourth Proportional to 477,680.08, 715,976.91 and 249,624.07

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Solution

The fourth proportional to 477,680.08, 715,976.91 and 249,624.07 is: 374,152.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,680.08 : 715,976.91 = 249,624.07 : x
  2. Step 2: Convert to fraction form
    477,680.08/715,976.91 = 249,624.07/x
  3. Step 3: Cross multiply
    477,680.08x = 715,976.91 × 249,624.07
  4. Step 4: Simplify right side
    477,680.08x = 178,725,070,300.22
  5. Step 5: Solve for x
    x = 178,725,070,300.22/477,680.08
  6. Step 6: Final answer
    x = 374,152.24

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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.