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Finding the Fourth Proportional to 867,901.60, 1,300,102.80 and 601,962.40

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Solution

The fourth proportional to 867,901.60, 1,300,102.80 and 601,962.40 is: 901,730.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,901.60 : 1,300,102.80 = 601,962.40 : x
  2. Step 2: Convert to fraction form
    867,901.60/1,300,102.80 = 601,962.40/x
  3. Step 3: Cross multiply
    867,901.60x = 1,300,102.80 × 601,962.40
  4. Step 4: Simplify right side
    867,901.60x = 782,613,001,734.72
  5. Step 5: Solve for x
    x = 782,613,001,734.72/867,901.60
  6. Step 6: Final answer
    x = 901,730.11

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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.