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Finding the Fourth Proportional to 614,376.02, 847,810.99 and 342,473.60

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Solution

The fourth proportional to 614,376.02, 847,810.99 and 342,473.60 is: 472,598.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,376.02 : 847,810.99 = 342,473.60 : x
  2. Step 2: Convert to fraction form
    614,376.02/847,810.99 = 342,473.60/x
  3. Step 3: Cross multiply
    614,376.02x = 847,810.99 × 342,473.60
  4. Step 4: Simplify right side
    614,376.02x = 290,352,881,864.86
  5. Step 5: Solve for x
    x = 290,352,881,864.86/614,376.02
  6. Step 6: Final answer
    x = 472,598.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.