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Finding the Fourth Proportional to 424,075.51, 585,216.65 and 233,088.85

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Solution

The fourth proportional to 424,075.51, 585,216.65 and 233,088.85 is: 321,658.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,075.51 : 585,216.65 = 233,088.85 : x
  2. Step 2: Convert to fraction form
    424,075.51/585,216.65 = 233,088.85/x
  3. Step 3: Cross multiply
    424,075.51x = 585,216.65 × 233,088.85
  4. Step 4: Simplify right side
    424,075.51x = 136,407,471,857.83
  5. Step 5: Solve for x
    x = 136,407,471,857.83/424,075.51
  6. Step 6: Final answer
    x = 321,658.46

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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.