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Finding the Fourth Proportional to 760,593.12, 1,049,728.32 and 438,241.44

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Solution

The fourth proportional to 760,593.12, 1,049,728.32 and 438,241.44 is: 604,836.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,593.12 : 1,049,728.32 = 438,241.44 : x
  2. Step 2: Convert to fraction form
    760,593.12/1,049,728.32 = 438,241.44/x
  3. Step 3: Cross multiply
    760,593.12x = 1,049,728.32 × 438,241.44
  4. Step 4: Simplify right side
    760,593.12x = 460,034,450,565.58
  5. Step 5: Solve for x
    x = 460,034,450,565.58/760,593.12
  6. Step 6: Final answer
    x = 604,836.46

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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.