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Finding the Fourth Proportional to 584,007.60, 876,011.40 and 528,020.40

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Solution

The fourth proportional to 584,007.60, 876,011.40 and 528,020.40 is: 792,030.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,007.60 : 876,011.40 = 528,020.40 : x
  2. Step 2: Convert to fraction form
    584,007.60/876,011.40 = 528,020.40/x
  3. Step 3: Cross multiply
    584,007.60x = 876,011.40 × 528,020.40
  4. Step 4: Simplify right side
    584,007.60x = 462,551,889,832.56
  5. Step 5: Solve for x
    x = 462,551,889,832.56/584,007.60
  6. Step 6: Final answer
    x = 792,030.60

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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.