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Finding the Fourth Proportional to 445,934.67, 615,386.68 and 241,980.40

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Solution

The fourth proportional to 445,934.67, 615,386.68 and 241,980.40 is: 333,931.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,934.67 : 615,386.68 = 241,980.40 : x
  2. Step 2: Convert to fraction form
    445,934.67/615,386.68 = 241,980.40/x
  3. Step 3: Cross multiply
    445,934.67x = 615,386.68 × 241,980.40
  4. Step 4: Simplify right side
    445,934.67x = 148,911,514,981.07
  5. Step 5: Solve for x
    x = 148,911,514,981.07/445,934.67
  6. Step 6: Final answer
    x = 333,931.23

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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.