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Finding the Fourth Proportional to 328,534.40, 460,259.20 and 328,534.40

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Solution

The fourth proportional to 328,534.40, 460,259.20 and 328,534.40 is: 460,259.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,534.40 : 460,259.20 = 328,534.40 : x
  2. Step 2: Convert to fraction form
    328,534.40/460,259.20 = 328,534.40/x
  3. Step 3: Cross multiply
    328,534.40x = 460,259.20 × 328,534.40
  4. Step 4: Simplify right side
    328,534.40x = 151,210,980,116.48
  5. Step 5: Solve for x
    x = 151,210,980,116.48/328,534.40
  6. Step 6: Final answer
    x = 460,259.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.