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Finding the Fourth Proportional to 575,468.48, 794,766.12 and 438,036.32

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Solution

The fourth proportional to 575,468.48, 794,766.12 and 438,036.32 is: 604,961.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,468.48 : 794,766.12 = 438,036.32 : x
  2. Step 2: Convert to fraction form
    575,468.48/794,766.12 = 438,036.32/x
  3. Step 3: Cross multiply
    575,468.48x = 794,766.12 × 438,036.32
  4. Step 4: Simplify right side
    575,468.48x = 348,136,426,465.48
  5. Step 5: Solve for x
    x = 348,136,426,465.48/575,468.48
  6. Step 6: Final answer
    x = 604,961.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.