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Finding the Fourth Proportional to 315,567.84, 473,001.12 and 240,440.28

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Solution

The fourth proportional to 315,567.84, 473,001.12 and 240,440.28 is: 360,393.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,567.84 : 473,001.12 = 240,440.28 : x
  2. Step 2: Convert to fraction form
    315,567.84/473,001.12 = 240,440.28/x
  3. Step 3: Cross multiply
    315,567.84x = 473,001.12 × 240,440.28
  4. Step 4: Simplify right side
    315,567.84x = 113,728,521,733.11
  5. Step 5: Solve for x
    x = 113,728,521,733.11/315,567.84
  6. Step 6: Final answer
    x = 360,393.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.