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Finding the Fourth Proportional to 586,088.76, 808,759.20 and 327,931.44

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Solution

The fourth proportional to 586,088.76, 808,759.20 and 327,931.44 is: 452,521.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,088.76 : 808,759.20 = 327,931.44 : x
  2. Step 2: Convert to fraction form
    586,088.76/808,759.20 = 327,931.44/x
  3. Step 3: Cross multiply
    586,088.76x = 808,759.20 × 327,931.44
  4. Step 4: Simplify right side
    586,088.76x = 265,217,569,069.25
  5. Step 5: Solve for x
    x = 265,217,569,069.25/586,088.76
  6. Step 6: Final answer
    x = 452,521.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.