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Finding the Fourth Proportional to 524,929.40, 786,210.10 and 243,855.16

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Solution

The fourth proportional to 524,929.40, 786,210.10 and 243,855.16 is: 365,232.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,929.40 : 786,210.10 = 243,855.16 : x
  2. Step 2: Convert to fraction form
    524,929.40/786,210.10 = 243,855.16/x
  3. Step 3: Cross multiply
    524,929.40x = 786,210.10 × 243,855.16
  4. Step 4: Simplify right side
    524,929.40x = 191,721,389,729.12
  5. Step 5: Solve for x
    x = 191,721,389,729.12/524,929.40
  6. Step 6: Final answer
    x = 365,232.71

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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.