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Finding the Fourth Proportional to 557,564.40, 837,002.70 and 553,627.80

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Solution

The fourth proportional to 557,564.40, 837,002.70 and 553,627.80 is: 831,093.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,564.40 : 837,002.70 = 553,627.80 : x
  2. Step 2: Convert to fraction form
    557,564.40/837,002.70 = 553,627.80/x
  3. Step 3: Cross multiply
    557,564.40x = 837,002.70 × 553,627.80
  4. Step 4: Simplify right side
    557,564.40x = 463,387,963,395.06
  5. Step 5: Solve for x
    x = 463,387,963,395.06/557,564.40
  6. Step 6: Final answer
    x = 831,093.17

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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.