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Finding the Fourth Proportional to 235,643.40, 353,465.10 and 235,643.40

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Solution

The fourth proportional to 235,643.40, 353,465.10 and 235,643.40 is: 353,465.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,643.40 : 353,465.10 = 235,643.40 : x
  2. Step 2: Convert to fraction form
    235,643.40/353,465.10 = 235,643.40/x
  3. Step 3: Cross multiply
    235,643.40x = 353,465.10 × 235,643.40
  4. Step 4: Simplify right side
    235,643.40x = 83,291,717,945.34
  5. Step 5: Solve for x
    x = 83,291,717,945.34/235,643.40
  6. Step 6: Final answer
    x = 353,465.10

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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.