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Finding the Fourth Proportional to 953,454, 1,315,446.14 and 539,934.42

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Solution

The fourth proportional to 953,454, 1,315,446.14 and 539,934.42 is: 744,928.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,454 : 1,315,446.14 = 539,934.42 : x
  2. Step 2: Convert to fraction form
    953,454/1,315,446.14 = 539,934.42/x
  3. Step 3: Cross multiply
    953,454x = 1,315,446.14 × 539,934.42
  4. Step 4: Simplify right side
    953,454x = 710,254,648,642.14
  5. Step 5: Solve for x
    x = 710,254,648,642.14/953,454
  6. Step 6: Final answer
    x = 744,928.07

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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.