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Finding the Fourth Proportional to 452,818.12, 624,875.84 and 259,219.30

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Solution

The fourth proportional to 452,818.12, 624,875.84 and 259,219.30 is: 357,715.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,818.12 : 624,875.84 = 259,219.30 : x
  2. Step 2: Convert to fraction form
    452,818.12/624,875.84 = 259,219.30/x
  3. Step 3: Cross multiply
    452,818.12x = 624,875.84 × 259,219.30
  4. Step 4: Simplify right side
    452,818.12x = 161,979,877,117.14
  5. Step 5: Solve for x
    x = 161,979,877,117.14/452,818.12
  6. Step 6: Final answer
    x = 357,715.10

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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.