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Finding the Fourth Proportional to 581,509.64, 872,261.98 and 155,044.60

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Solution

The fourth proportional to 581,509.64, 872,261.98 and 155,044.60 is: 232,566.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,509.64 : 872,261.98 = 155,044.60 : x
  2. Step 2: Convert to fraction form
    581,509.64/872,261.98 = 155,044.60/x
  3. Step 3: Cross multiply
    581,509.64x = 872,261.98 × 155,044.60
  4. Step 4: Simplify right side
    581,509.64x = 135,239,509,784.31
  5. Step 5: Solve for x
    x = 135,239,509,784.31/581,509.64
  6. Step 6: Final answer
    x = 232,566.24

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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.