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Finding the Fourth Proportional to 430,887.60, 594,729.68 and 249,570.32

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Solution

The fourth proportional to 430,887.60, 594,729.68 and 249,570.32 is: 344,467.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,887.60 : 594,729.68 = 249,570.32 : x
  2. Step 2: Convert to fraction form
    430,887.60/594,729.68 = 249,570.32/x
  3. Step 3: Cross multiply
    430,887.60x = 594,729.68 × 249,570.32
  4. Step 4: Simplify right side
    430,887.60x = 148,426,872,329.60
  5. Step 5: Solve for x
    x = 148,426,872,329.60/430,887.60
  6. Step 6: Final answer
    x = 344,467.73

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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.