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Finding the Fourth Proportional to 364,050.60, 546,075.90 and 257,762.40

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Solution

The fourth proportional to 364,050.60, 546,075.90 and 257,762.40 is: 386,643.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,050.60 : 546,075.90 = 257,762.40 : x
  2. Step 2: Convert to fraction form
    364,050.60/546,075.90 = 257,762.40/x
  3. Step 3: Cross multiply
    364,050.60x = 546,075.90 × 257,762.40
  4. Step 4: Simplify right side
    364,050.60x = 140,757,834,566.16
  5. Step 5: Solve for x
    x = 140,757,834,566.16/364,050.60
  6. Step 6: Final answer
    x = 386,643.60

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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.