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Finding the Fourth Proportional to 877,708, 1,211,237.04 and 475,300

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Solution

The fourth proportional to 877,708, 1,211,237.04 and 475,300 is: 655,914

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,708 : 1,211,237.04 = 475,300 : x
  2. Step 2: Convert to fraction form
    877,708/1,211,237.04 = 475,300/x
  3. Step 3: Cross multiply
    877,708x = 1,211,237.04 × 475,300
  4. Step 4: Simplify right side
    877,708x = 575,700,965,112
  5. Step 5: Solve for x
    x = 575,700,965,112/877,708
  6. Step 6: Final answer
    x = 655,914

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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.