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Finding the Fourth Proportional to 944,606.10, 1,416,909.15 and 893,430.30

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Solution

The fourth proportional to 944,606.10, 1,416,909.15 and 893,430.30 is: 1,340,145.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,606.10 : 1,416,909.15 = 893,430.30 : x
  2. Step 2: Convert to fraction form
    944,606.10/1,416,909.15 = 893,430.30/x
  3. Step 3: Cross multiply
    944,606.10x = 1,416,909.15 × 893,430.30
  4. Step 4: Simplify right side
    944,606.10x = 1,265,909,566,957.24
  5. Step 5: Solve for x
    x = 1,265,909,566,957.24/944,606.10
  6. Step 6: Final answer
    x = 1,340,145.45

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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.