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Finding the Fourth Proportional to 584,986, 877,483.80 and 141,754

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Solution

The fourth proportional to 584,986, 877,483.80 and 141,754 is: 212,632.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,986 : 877,483.80 = 141,754 : x
  2. Step 2: Convert to fraction form
    584,986/877,483.80 = 141,754/x
  3. Step 3: Cross multiply
    584,986x = 877,483.80 × 141,754
  4. Step 4: Simplify right side
    584,986x = 124,386,838,585.20
  5. Step 5: Solve for x
    x = 124,386,838,585.20/584,986
  6. Step 6: Final answer
    x = 212,632.16

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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.