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Finding the Fourth Proportional to 284,026.19, 391,480.56 and 249,482.52

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Solution

The fourth proportional to 284,026.19, 391,480.56 and 249,482.52 is: 343,868.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,026.19 : 391,480.56 = 249,482.52 : x
  2. Step 2: Convert to fraction form
    284,026.19/391,480.56 = 249,482.52/x
  3. Step 3: Cross multiply
    284,026.19x = 391,480.56 × 249,482.52
  4. Step 4: Simplify right side
    284,026.19x = 97,667,556,639.81
  5. Step 5: Solve for x
    x = 97,667,556,639.81/284,026.19
  6. Step 6: Final answer
    x = 343,868.14

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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.