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Finding the Fourth Proportional to 1,017,320, 1,526,252.16 and 352,472

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Solution

The fourth proportional to 1,017,320, 1,526,252.16 and 352,472 is: 528,802.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,320 : 1,526,252.16 = 352,472 : x
  2. Step 2: Convert to fraction form
    1,017,320/1,526,252.16 = 352,472/x
  3. Step 3: Cross multiply
    1,017,320x = 1,526,252.16 × 352,472
  4. Step 4: Simplify right side
    1,017,320x = 537,961,151,339.52
  5. Step 5: Solve for x
    x = 537,961,151,339.52/1,017,320
  6. Step 6: Final answer
    x = 528,802.30

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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.