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Finding the Fourth Proportional to 424,552.59, 585,966.29 and 243,386.15

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Solution

The fourth proportional to 424,552.59, 585,966.29 and 243,386.15 is: 335,920.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,552.59 : 585,966.29 = 243,386.15 : x
  2. Step 2: Convert to fraction form
    424,552.59/585,966.29 = 243,386.15/x
  3. Step 3: Cross multiply
    424,552.59x = 585,966.29 × 243,386.15
  4. Step 4: Simplify right side
    424,552.59x = 142,616,075,206.12
  5. Step 5: Solve for x
    x = 142,616,075,206.12/424,552.59
  6. Step 6: Final answer
    x = 335,920.87

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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.