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Finding the Fourth Proportional to 385,547.66, 532,114.54 and 240,377.00

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Solution

The fourth proportional to 385,547.66, 532,114.54 and 240,377.00 is: 331,756.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,547.66 : 532,114.54 = 240,377.00 : x
  2. Step 2: Convert to fraction form
    385,547.66/532,114.54 = 240,377.00/x
  3. Step 3: Cross multiply
    385,547.66x = 532,114.54 × 240,377.00
  4. Step 4: Simplify right side
    385,547.66x = 127,908,093,520.07
  5. Step 5: Solve for x
    x = 127,908,093,520.07/385,547.66
  6. Step 6: Final answer
    x = 331,756.89

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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.