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Finding the Fourth Proportional to 940,547.16, 1,410,459.72 and 400,461.03

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Solution

The fourth proportional to 940,547.16, 1,410,459.72 and 400,461.03 is: 600,537.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,547.16 : 1,410,459.72 = 400,461.03 : x
  2. Step 2: Convert to fraction form
    940,547.16/1,410,459.72 = 400,461.03/x
  3. Step 3: Cross multiply
    940,547.16x = 1,410,459.72 × 400,461.03
  4. Step 4: Simplify right side
    940,547.16x = 564,834,152,244.71
  5. Step 5: Solve for x
    x = 564,834,152,244.71/940,547.16
  6. Step 6: Final answer
    x = 600,537.83

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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.