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Finding the Fourth Proportional to 683,528.10, 936,417.95 and 657,971.70

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Solution

The fourth proportional to 683,528.10, 936,417.95 and 657,971.70 is: 901,406.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,528.10 : 936,417.95 = 657,971.70 : x
  2. Step 2: Convert to fraction form
    683,528.10/936,417.95 = 657,971.70/x
  3. Step 3: Cross multiply
    683,528.10x = 936,417.95 × 657,971.70
  4. Step 4: Simplify right side
    683,528.10x = 616,136,507,182.16
  5. Step 5: Solve for x
    x = 616,136,507,182.16/683,528.10
  6. Step 6: Final answer
    x = 901,406.26

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.