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Finding the Fourth Proportional to 575,501.76, 863,501.34 and 308,950.98

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Solution

The fourth proportional to 575,501.76, 863,501.34 and 308,950.98 is: 463,559.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,501.76 : 863,501.34 = 308,950.98 : x
  2. Step 2: Convert to fraction form
    575,501.76/863,501.34 = 308,950.98/x
  3. Step 3: Cross multiply
    575,501.76x = 863,501.34 × 308,950.98
  4. Step 4: Simplify right side
    575,501.76x = 266,779,585,224.31
  5. Step 5: Solve for x
    x = 266,779,585,224.31/575,501.76
  6. Step 6: Final answer
    x = 463,559.98

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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.