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Finding the Fourth Proportional to 575,482.40, 863,472.36 and 308,931.64

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Solution

The fourth proportional to 575,482.40, 863,472.36 and 308,931.64 is: 463,531.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,482.40 : 863,472.36 = 308,931.64 : x
  2. Step 2: Convert to fraction form
    575,482.40/863,472.36 = 308,931.64/x
  3. Step 3: Cross multiply
    575,482.40x = 863,472.36 × 308,931.64
  4. Step 4: Simplify right side
    575,482.40x = 266,753,932,269.47
  5. Step 5: Solve for x
    x = 266,753,932,269.47/575,482.40
  6. Step 6: Final answer
    x = 463,531.00

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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.