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Finding the Fourth Proportional to 572,877.66, 859,841.61 and 306,938.46

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Solution

The fourth proportional to 572,877.66, 859,841.61 and 306,938.46 is: 460,689.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,877.66 : 859,841.61 = 306,938.46 : x
  2. Step 2: Convert to fraction form
    572,877.66/859,841.61 = 306,938.46/x
  3. Step 3: Cross multiply
    572,877.66x = 859,841.61 × 306,938.46
  4. Step 4: Simplify right side
    572,877.66x = 263,918,459,617.32
  5. Step 5: Solve for x
    x = 263,918,459,617.32/572,877.66
  6. Step 6: Final answer
    x = 460,689.04

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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.