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Finding the Fourth Proportional to 575,478.40, 863,466.36 and 308,927.64

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Solution

The fourth proportional to 575,478.40, 863,466.36 and 308,927.64 is: 463,525.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,478.40 : 863,466.36 = 308,927.64 : x
  2. Step 2: Convert to fraction form
    575,478.40/863,466.36 = 308,927.64/x
  3. Step 3: Cross multiply
    575,478.40x = 863,466.36 × 308,927.64
  4. Step 4: Simplify right side
    575,478.40x = 266,748,624,814.19
  5. Step 5: Solve for x
    x = 266,748,624,814.19/575,478.40
  6. Step 6: Final answer
    x = 463,525.00

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1.5x scale

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.