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Finding the Fourth Proportional to 707,328.30, 975,824.60 and 435,314.10

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Solution

The fourth proportional to 707,328.30, 975,824.60 and 435,314.10 is: 600,555.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,328.30 : 975,824.60 = 435,314.10 : x
  2. Step 2: Convert to fraction form
    707,328.30/975,824.60 = 435,314.10/x
  3. Step 3: Cross multiply
    707,328.30x = 975,824.60 × 435,314.10
  4. Step 4: Simplify right side
    707,328.30x = 424,790,207,506.86
  5. Step 5: Solve for x
    x = 424,790,207,506.86/707,328.30
  6. Step 6: Final answer
    x = 600,555.93

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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.