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Finding the Fourth Proportional to 434,022.90, 651,034.35 and 364,038.90

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Solution

The fourth proportional to 434,022.90, 651,034.35 and 364,038.90 is: 546,058.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,022.90 : 651,034.35 = 364,038.90 : x
  2. Step 2: Convert to fraction form
    434,022.90/651,034.35 = 364,038.90/x
  3. Step 3: Cross multiply
    434,022.90x = 651,034.35 × 364,038.90
  4. Step 4: Simplify right side
    434,022.90x = 237,001,828,636.22
  5. Step 5: Solve for x
    x = 237,001,828,636.22/434,022.90
  6. Step 6: Final answer
    x = 546,058.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.