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Finding the Fourth Proportional to 971,567.60, 1,455,018.60 and 784,943.60

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Solution

The fourth proportional to 971,567.60, 1,455,018.60 and 784,943.60 is: 1,175,530.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,567.60 : 1,455,018.60 = 784,943.60 : x
  2. Step 2: Convert to fraction form
    971,567.60/1,455,018.60 = 784,943.60/x
  3. Step 3: Cross multiply
    971,567.60x = 1,455,018.60 × 784,943.60
  4. Step 4: Simplify right side
    971,567.60x = 1,142,107,537,950.96
  5. Step 5: Solve for x
    x = 1,142,107,537,950.96/971,567.60
  6. Step 6: Final answer
    x = 1,175,530.70

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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.