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Finding the Fourth Proportional to 1,556,960, 2,335,440 and 375,008

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Solution

The fourth proportional to 1,556,960, 2,335,440 and 375,008 is: 562,512

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,960 : 2,335,440 = 375,008 : x
  2. Step 2: Convert to fraction form
    1,556,960/2,335,440 = 375,008/x
  3. Step 3: Cross multiply
    1,556,960x = 2,335,440 × 375,008
  4. Step 4: Simplify right side
    1,556,960x = 875,808,683,520
  5. Step 5: Solve for x
    x = 875,808,683,520/1,556,960
  6. Step 6: Final answer
    x = 562,512

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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.