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Finding the Fourth Proportional to 368,243.55, 508,117.05 and 207,098.10

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Solution

The fourth proportional to 368,243.55, 508,117.05 and 207,098.10 is: 285,762.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,243.55 : 508,117.05 = 207,098.10 : x
  2. Step 2: Convert to fraction form
    368,243.55/508,117.05 = 207,098.10/x
  3. Step 3: Cross multiply
    368,243.55x = 508,117.05 × 207,098.10
  4. Step 4: Simplify right side
    368,243.55x = 105,230,075,632.61
  5. Step 5: Solve for x
    x = 105,230,075,632.61/368,243.55
  6. Step 6: Final answer
    x = 285,762.17

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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.