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Finding the Fourth Proportional to 350,430.71, 525,588.55 and 97,728.32

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Solution

The fourth proportional to 350,430.71, 525,588.55 and 97,728.32 is: 146,576.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,430.71 : 525,588.55 = 97,728.32 : x
  2. Step 2: Convert to fraction form
    350,430.71/525,588.55 = 97,728.32/x
  3. Step 3: Cross multiply
    350,430.71x = 525,588.55 × 97,728.32
  4. Step 4: Simplify right side
    350,430.71x = 51,364,887,072.39
  5. Step 5: Solve for x
    x = 51,364,887,072.39/350,430.71
  6. Step 6: Final answer
    x = 146,576.45

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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.