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Finding the Fourth Proportional to 705,973.61, 974,250.03 and 383,684.53

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Solution

The fourth proportional to 705,973.61, 974,250.03 and 383,684.53 is: 529,488.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,973.61 : 974,250.03 = 383,684.53 : x
  2. Step 2: Convert to fraction form
    705,973.61/974,250.03 = 383,684.53/x
  3. Step 3: Cross multiply
    705,973.61x = 974,250.03 × 383,684.53
  4. Step 4: Simplify right side
    705,973.61x = 373,804,662,944.61
  5. Step 5: Solve for x
    x = 373,804,662,944.61/705,973.61
  6. Step 6: Final answer
    x = 529,488.16

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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.