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Finding the Fourth Proportional to 370,402, 556,341.06 and 349,512.52

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Solution

The fourth proportional to 370,402, 556,341.06 and 349,512.52 is: 524,965.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,402 : 556,341.06 = 349,512.52 : x
  2. Step 2: Convert to fraction form
    370,402/556,341.06 = 349,512.52/x
  3. Step 3: Cross multiply
    370,402x = 556,341.06 × 349,512.52
  4. Step 4: Simplify right side
    370,402x = 194,448,165,860.07
  5. Step 5: Solve for x
    x = 194,448,165,860.07/370,402
  6. Step 6: Final answer
    x = 524,965.22

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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.