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Finding the Fourth Proportional to 611,799.66, 842,187.51 and 530,749.98

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Solution

The fourth proportional to 611,799.66, 842,187.51 and 530,749.98 is: 730,616.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,799.66 : 842,187.51 = 530,749.98 : x
  2. Step 2: Convert to fraction form
    611,799.66/842,187.51 = 530,749.98/x
  3. Step 3: Cross multiply
    611,799.66x = 842,187.51 × 530,749.98
  4. Step 4: Simplify right side
    611,799.66x = 446,991,004,088.75
  5. Step 5: Solve for x
    x = 446,991,004,088.75/611,799.66
  6. Step 6: Final answer
    x = 730,616.63

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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.