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Finding the Fourth Proportional to 674,510.09, 930,877.00 and 384,133.93

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Solution

The fourth proportional to 674,510.09, 930,877.00 and 384,133.93 is: 530,135.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,510.09 : 930,877.00 = 384,133.93 : x
  2. Step 2: Convert to fraction form
    674,510.09/930,877.00 = 384,133.93/x
  3. Step 3: Cross multiply
    674,510.09x = 930,877.00 × 384,133.93
  4. Step 4: Simplify right side
    674,510.09x = 357,581,437,069.08
  5. Step 5: Solve for x
    x = 357,581,437,069.08/674,510.09
  6. Step 6: Final answer
    x = 530,135.05

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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.