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Finding the Fourth Proportional to 528,798.47, 792,410.11 and 292,208.81

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Solution

The fourth proportional to 528,798.47, 792,410.11 and 292,208.81 is: 437,878.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,798.47 : 792,410.11 = 292,208.81 : x
  2. Step 2: Convert to fraction form
    528,798.47/792,410.11 = 292,208.81/x
  3. Step 3: Cross multiply
    528,798.47x = 792,410.11 × 292,208.81
  4. Step 4: Simplify right side
    528,798.47x = 231,549,215,275.07
  5. Step 5: Solve for x
    x = 231,549,215,275.07/528,798.47
  6. Step 6: Final answer
    x = 437,878.00

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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.