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Finding the Fourth Proportional to 260,547.84, 390,044.16 and 233,510.40

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Solution

The fourth proportional to 260,547.84, 390,044.16 and 233,510.40 is: 349,568.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,547.84 : 390,044.16 = 233,510.40 : x
  2. Step 2: Convert to fraction form
    260,547.84/390,044.16 = 233,510.40/x
  3. Step 3: Cross multiply
    260,547.84x = 390,044.16 × 233,510.40
  4. Step 4: Simplify right side
    260,547.84x = 91,079,367,819.26
  5. Step 5: Solve for x
    x = 91,079,367,819.26/260,547.84
  6. Step 6: Final answer
    x = 349,568.69

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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.