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Finding the Fourth Proportional to 1,829,476.65, 2,746,728.63 and 931,521.77

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Solution

The fourth proportional to 1,829,476.65, 2,746,728.63 and 931,521.77 is: 1,398,562.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,829,476.65 : 2,746,728.63 = 931,521.77 : x
  2. Step 2: Convert to fraction form
    1,829,476.65/2,746,728.63 = 931,521.77/x
  3. Step 3: Cross multiply
    1,829,476.65x = 2,746,728.63 × 931,521.77
  4. Step 4: Simplify right side
    1,829,476.65x = 2,558,637,501,393.63
  5. Step 5: Solve for x
    x = 2,558,637,501,393.63/1,829,476.65
  6. Step 6: Final answer
    x = 1,398,562.54

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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.