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Finding the Fourth Proportional to 646,084.64, 969,130.60 and 575,335.19

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Solution

The fourth proportional to 646,084.64, 969,130.60 and 575,335.19 is: 863,006.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,084.64 : 969,130.60 = 575,335.19 : x
  2. Step 2: Convert to fraction form
    646,084.64/969,130.60 = 575,335.19/x
  3. Step 3: Cross multiply
    646,084.64x = 969,130.60 × 575,335.19
  4. Step 4: Simplify right side
    646,084.64x = 557,574,937,885.81
  5. Step 5: Solve for x
    x = 557,574,937,885.81/646,084.64
  6. Step 6: Final answer
    x = 863,006.03

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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.