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Finding the Fourth Proportional to 586,922.40, 880,711.65 and 249,905.70

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Solution

The fourth proportional to 586,922.40, 880,711.65 and 249,905.70 is: 374,998.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,922.40 : 880,711.65 = 249,905.70 : x
  2. Step 2: Convert to fraction form
    586,922.40/880,711.65 = 249,905.70/x
  3. Step 3: Cross multiply
    586,922.40x = 880,711.65 × 249,905.70
  4. Step 4: Simplify right side
    586,922.40x = 220,094,861,391.41
  5. Step 5: Solve for x
    x = 220,094,861,391.41/586,922.40
  6. Step 6: Final answer
    x = 374,998.23

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1.5x scale

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.