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Finding the Fourth Proportional to 440,547.44, 607,423.56 and 372,444.26

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Solution

The fourth proportional to 440,547.44, 607,423.56 and 372,444.26 is: 513,523.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,547.44 : 607,423.56 = 372,444.26 : x
  2. Step 2: Convert to fraction form
    440,547.44/607,423.56 = 372,444.26/x
  3. Step 3: Cross multiply
    440,547.44x = 607,423.56 × 372,444.26
  4. Step 4: Simplify right side
    440,547.44x = 226,231,418,310.77
  5. Step 5: Solve for x
    x = 226,231,418,310.77/440,547.44
  6. Step 6: Final answer
    x = 513,523.40

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Double scale
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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.