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Finding the Fourth Proportional to 633,867.10, 874,347.95 and 517,749.32

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Solution

The fourth proportional to 633,867.10, 874,347.95 and 517,749.32 is: 714,176.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,867.10 : 874,347.95 = 517,749.32 : x
  2. Step 2: Convert to fraction form
    633,867.10/874,347.95 = 517,749.32/x
  3. Step 3: Cross multiply
    633,867.10x = 874,347.95 × 517,749.32
  4. Step 4: Simplify right side
    633,867.10x = 452,693,060,036.14
  5. Step 5: Solve for x
    x = 452,693,060,036.14/633,867.10
  6. Step 6: Final answer
    x = 714,176.62

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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.