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Finding the Fourth Proportional to 586,680.89, 880,391.54 and 249,721.00

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Solution

The fourth proportional to 586,680.89, 880,391.54 and 249,721.00 is: 374,739.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,680.89 : 880,391.54 = 249,721.00 : x
  2. Step 2: Convert to fraction form
    586,680.89/880,391.54 = 249,721.00/x
  3. Step 3: Cross multiply
    586,680.89x = 880,391.54 × 249,721.00
  4. Step 4: Simplify right side
    586,680.89x = 219,852,255,070.54
  5. Step 5: Solve for x
    x = 219,852,255,070.54/586,680.89
  6. Step 6: Final answer
    x = 374,739.08

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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.