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Finding the Fourth Proportional to 438,008.04, 604,465.56 and 254,232.45

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Solution

The fourth proportional to 438,008.04, 604,465.56 and 254,232.45 is: 350,849.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,008.04 : 604,465.56 = 254,232.45 : x
  2. Step 2: Convert to fraction form
    438,008.04/604,465.56 = 254,232.45/x
  3. Step 3: Cross multiply
    438,008.04x = 604,465.56 × 254,232.45
  4. Step 4: Simplify right side
    438,008.04x = 153,674,760,259.42
  5. Step 5: Solve for x
    x = 153,674,760,259.42/438,008.04
  6. Step 6: Final answer
    x = 350,849.18

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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.