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Finding the Fourth Proportional to 528,762.87, 792,182.01 and 472,075.83

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Solution

The fourth proportional to 528,762.87, 792,182.01 and 472,075.83 is: 707,254.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,762.87 : 792,182.01 = 472,075.83 : x
  2. Step 2: Convert to fraction form
    528,762.87/792,182.01 = 472,075.83/x
  3. Step 3: Cross multiply
    528,762.87x = 792,182.01 × 472,075.83
  4. Step 4: Simplify right side
    528,762.87x = 373,969,979,881.82
  5. Step 5: Solve for x
    x = 373,969,979,881.82/528,762.87
  6. Step 6: Final answer
    x = 707,254.61

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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.