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Finding the Fourth Proportional to 328,513.08, 453,363.48 and 185,270.16

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Solution

The fourth proportional to 328,513.08, 453,363.48 and 185,270.16 is: 255,681.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,513.08 : 453,363.48 = 185,270.16 : x
  2. Step 2: Convert to fraction form
    328,513.08/453,363.48 = 185,270.16/x
  3. Step 3: Cross multiply
    328,513.08x = 453,363.48 × 185,270.16
  4. Step 4: Simplify right side
    328,513.08x = 83,994,724,477.76
  5. Step 5: Solve for x
    x = 83,994,724,477.76/328,513.08
  6. Step 6: Final answer
    x = 255,681.52

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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.