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Finding the Fourth Proportional to 590,766.09, 815,275.98 and 336,133.68

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Solution

The fourth proportional to 590,766.09, 815,275.98 and 336,133.68 is: 463,875.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,766.09 : 815,275.98 = 336,133.68 : x
  2. Step 2: Convert to fraction form
    590,766.09/815,275.98 = 336,133.68/x
  3. Step 3: Cross multiply
    590,766.09x = 815,275.98 × 336,133.68
  4. Step 4: Simplify right side
    590,766.09x = 274,041,715,373.01
  5. Step 5: Solve for x
    x = 274,041,715,373.01/590,766.09
  6. Step 6: Final answer
    x = 463,875.16

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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.