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Finding the Fourth Proportional to 593,047.68, 818,526.52 and 402,122.58

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Solution

The fourth proportional to 593,047.68, 818,526.52 and 402,122.58 is: 555,011.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,047.68 : 818,526.52 = 402,122.58 : x
  2. Step 2: Convert to fraction form
    593,047.68/818,526.52 = 402,122.58/x
  3. Step 3: Cross multiply
    593,047.68x = 818,526.52 × 402,122.58
  4. Step 4: Simplify right side
    593,047.68x = 329,147,991,192.06
  5. Step 5: Solve for x
    x = 329,147,991,192.06/593,047.68
  6. Step 6: Final answer
    x = 555,011.01

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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.