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Finding the Fourth Proportional to 1,748,957.38, 2,624,931.42 and 684,746.77

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Solution

The fourth proportional to 1,748,957.38, 2,624,931.42 and 684,746.77 is: 1,027,705.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,748,957.38 : 2,624,931.42 = 684,746.77 : x
  2. Step 2: Convert to fraction form
    1,748,957.38/2,624,931.42 = 684,746.77/x
  3. Step 3: Cross multiply
    1,748,957.38x = 2,624,931.42 × 684,746.77
  4. Step 4: Simplify right side
    1,748,957.38x = 1,797,413,311,316.51
  5. Step 5: Solve for x
    x = 1,797,413,311,316.51/1,748,957.38
  6. Step 6: Final answer
    x = 1,027,705.61

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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.