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Finding the Fourth Proportional to 671,533.34, 926,688.02 and 369,707.90

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Solution

The fourth proportional to 671,533.34, 926,688.02 and 369,707.90 is: 510,181.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,533.34 : 926,688.02 = 369,707.90 : x
  2. Step 2: Convert to fraction form
    671,533.34/926,688.02 = 369,707.90/x
  3. Step 3: Cross multiply
    671,533.34x = 926,688.02 × 369,707.90
  4. Step 4: Simplify right side
    671,533.34x = 342,603,881,829.36
  5. Step 5: Solve for x
    x = 342,603,881,829.36/671,533.34
  6. Step 6: Final answer
    x = 510,181.49

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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.