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Finding the Fourth Proportional to 585,532.38, 808,013.70 and 330,878.10

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Solution

The fourth proportional to 585,532.38, 808,013.70 and 330,878.10 is: 456,599.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,532.38 : 808,013.70 = 330,878.10 : x
  2. Step 2: Convert to fraction form
    585,532.38/808,013.70 = 330,878.10/x
  3. Step 3: Cross multiply
    585,532.38x = 808,013.70 × 330,878.10
  4. Step 4: Simplify right side
    585,532.38x = 267,354,037,829.97
  5. Step 5: Solve for x
    x = 267,354,037,829.97/585,532.38
  6. Step 6: Final answer
    x = 456,599.92

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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.