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Finding the Fourth Proportional to 463,670.40, 695,505.60 and 358,694.40

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Solution

The fourth proportional to 463,670.40, 695,505.60 and 358,694.40 is: 538,041.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,670.40 : 695,505.60 = 358,694.40 : x
  2. Step 2: Convert to fraction form
    463,670.40/695,505.60 = 358,694.40/x
  3. Step 3: Cross multiply
    463,670.40x = 695,505.60 × 358,694.40
  4. Step 4: Simplify right side
    463,670.40x = 249,473,963,888.64
  5. Step 5: Solve for x
    x = 249,473,963,888.64/463,670.40
  6. Step 6: Final answer
    x = 538,041.60

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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.