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Finding the Fourth Proportional to 528,079.24, 791,802.42 and 168,094.60

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Solution

The fourth proportional to 528,079.24, 791,802.42 and 168,094.60 is: 252,041.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,079.24 : 791,802.42 = 168,094.60 : x
  2. Step 2: Convert to fraction form
    528,079.24/791,802.42 = 168,094.60/x
  3. Step 3: Cross multiply
    528,079.24x = 791,802.42 × 168,094.60
  4. Step 4: Simplify right side
    528,079.24x = 133,097,711,068.93
  5. Step 5: Solve for x
    x = 133,097,711,068.93/528,079.24
  6. Step 6: Final answer
    x = 252,041.17

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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.