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Finding the Fourth Proportional to 585,132.32, 877,866.60 and 243,509.25

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Solution

The fourth proportional to 585,132.32, 877,866.60 and 243,509.25 is: 365,333.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,132.32 : 877,866.60 = 243,509.25 : x
  2. Step 2: Convert to fraction form
    585,132.32/877,866.60 = 243,509.25/x
  3. Step 3: Cross multiply
    585,132.32x = 877,866.60 × 243,509.25
  4. Step 4: Simplify right side
    585,132.32x = 213,768,637,366.05
  5. Step 5: Solve for x
    x = 213,768,637,366.05/585,132.32
  6. Step 6: Final answer
    x = 365,333.84

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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.