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Finding the Fourth Proportional to 560,466.40, 840,699.60 and 462,051.40

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Solution

The fourth proportional to 560,466.40, 840,699.60 and 462,051.40 is: 693,077.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,466.40 : 840,699.60 = 462,051.40 : x
  2. Step 2: Convert to fraction form
    560,466.40/840,699.60 = 462,051.40/x
  3. Step 3: Cross multiply
    560,466.40x = 840,699.60 × 462,051.40
  4. Step 4: Simplify right side
    560,466.40x = 388,446,427,159.44
  5. Step 5: Solve for x
    x = 388,446,427,159.44/560,466.40
  6. Step 6: Final answer
    x = 693,077.10

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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.