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Finding the Fourth Proportional to 1,385,952, 1,912,613.76 and 750,048

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Solution

The fourth proportional to 1,385,952, 1,912,613.76 and 750,048 is: 1,035,066.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,952 : 1,912,613.76 = 750,048 : x
  2. Step 2: Convert to fraction form
    1,385,952/1,912,613.76 = 750,048/x
  3. Step 3: Cross multiply
    1,385,952x = 1,912,613.76 × 750,048
  4. Step 4: Simplify right side
    1,385,952x = 1,434,552,125,460.48
  5. Step 5: Solve for x
    x = 1,434,552,125,460.48/1,385,952
  6. Step 6: Final answer
    x = 1,035,066.24

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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.