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Finding the Fourth Proportional to 575,041.02, 793,561.98 and 316,927.42

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Solution

The fourth proportional to 575,041.02, 793,561.98 and 316,927.42 is: 437,362.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,041.02 : 793,561.98 = 316,927.42 : x
  2. Step 2: Convert to fraction form
    575,041.02/793,561.98 = 316,927.42/x
  3. Step 3: Cross multiply
    575,041.02x = 793,561.98 × 316,927.42
  4. Step 4: Simplify right side
    575,041.02x = 251,501,550,931.49
  5. Step 5: Solve for x
    x = 251,501,550,931.49/575,041.02
  6. Step 6: Final answer
    x = 437,362.80

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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.