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Finding the Fourth Proportional to 661,410.54, 992,009.48 and 181,526.24

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Solution

The fourth proportional to 661,410.54, 992,009.48 and 181,526.24 is: 272,260.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,410.54 : 992,009.48 = 181,526.24 : x
  2. Step 2: Convert to fraction form
    661,410.54/992,009.48 = 181,526.24/x
  3. Step 3: Cross multiply
    661,410.54x = 992,009.48 × 181,526.24
  4. Step 4: Simplify right side
    661,410.54x = 180,075,750,948.76
  5. Step 5: Solve for x
    x = 180,075,750,948.76/661,410.54
  6. Step 6: Final answer
    x = 272,260.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.