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Finding the Fourth Proportional to 436,655.16, 602,583.98 and 243,058.67

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Solution

The fourth proportional to 436,655.16, 602,583.98 and 243,058.67 is: 335,420.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,655.16 : 602,583.98 = 243,058.67 : x
  2. Step 2: Convert to fraction form
    436,655.16/602,583.98 = 243,058.67/x
  3. Step 3: Cross multiply
    436,655.16x = 602,583.98 × 243,058.67
  4. Step 4: Simplify right side
    436,655.16x = 146,463,256,513.89
  5. Step 5: Solve for x
    x = 146,463,256,513.89/436,655.16
  6. Step 6: Final answer
    x = 335,420.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.