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Finding the Fourth Proportional to 328,501.17, 453,332.16 and 177,598.17

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Solution

The fourth proportional to 328,501.17, 453,332.16 and 177,598.17 is: 245,085.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,501.17 : 453,332.16 = 177,598.17 : x
  2. Step 2: Convert to fraction form
    328,501.17/453,332.16 = 177,598.17/x
  3. Step 3: Cross multiply
    328,501.17x = 453,332.16 × 177,598.17
  4. Step 4: Simplify right side
    328,501.17x = 80,510,962,018.15
  5. Step 5: Solve for x
    x = 80,510,962,018.15/328,501.17
  6. Step 6: Final answer
    x = 245,085.77

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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.