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Finding the Fourth Proportional to 424,075.01, 585,215.96 and 233,088.35

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Solution

The fourth proportional to 424,075.01, 585,215.96 and 233,088.35 is: 321,657.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,075.01 : 585,215.96 = 233,088.35 : x
  2. Step 2: Convert to fraction form
    424,075.01/585,215.96 = 233,088.35/x
  3. Step 3: Cross multiply
    424,075.01x = 585,215.96 × 233,088.35
  4. Step 4: Simplify right side
    424,075.01x = 136,407,018,418.54
  5. Step 5: Solve for x
    x = 136,407,018,418.54/424,075.01
  6. Step 6: Final answer
    x = 321,657.77

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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.