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Finding the Fourth Proportional to 1,571,368, 2,357,052 and 389,416

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Solution

The fourth proportional to 1,571,368, 2,357,052 and 389,416 is: 584,124

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571,368 : 2,357,052 = 389,416 : x
  2. Step 2: Convert to fraction form
    1,571,368/2,357,052 = 389,416/x
  3. Step 3: Cross multiply
    1,571,368x = 2,357,052 × 389,416
  4. Step 4: Simplify right side
    1,571,368x = 917,873,761,632
  5. Step 5: Solve for x
    x = 917,873,761,632/1,571,368
  6. Step 6: Final answer
    x = 584,124

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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.