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Finding the Fourth Proportional to 705,973.52, 974,250.99 and 383,683.64

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Solution

The fourth proportional to 705,973.52, 974,250.99 and 383,683.64 is: 529,487.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,973.52 : 974,250.99 = 383,683.64 : x
  2. Step 2: Convert to fraction form
    705,973.52/974,250.99 = 383,683.64/x
  3. Step 3: Cross multiply
    705,973.52x = 974,250.99 × 383,683.64
  4. Step 4: Simplify right side
    705,973.52x = 373,804,166,116.80
  5. Step 5: Solve for x
    x = 373,804,166,116.80/705,973.52
  6. Step 6: Final answer
    x = 529,487.52

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Double scale
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1.5x scale

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.