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Finding the Fourth Proportional to 586,690.76, 880,406.35 and 249,730.89

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Solution

The fourth proportional to 586,690.76, 880,406.35 and 249,730.89 is: 374,753.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,690.76 : 880,406.35 = 249,730.89 : x
  2. Step 2: Convert to fraction form
    586,690.76/880,406.35 = 249,730.89/x
  3. Step 3: Cross multiply
    586,690.76x = 880,406.35 × 249,730.89
  4. Step 4: Simplify right side
    586,690.76x = 219,864,661,347.15
  5. Step 5: Solve for x
    x = 219,864,661,347.15/586,690.76
  6. Step 6: Final answer
    x = 374,753.92

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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.